SOLUTION: How do I solve a proportion using cross products property ?

Algebra ->  Proportions -> SOLUTION: How do I solve a proportion using cross products property ?      Log On


   



Question 793949: How do I solve a proportion using cross products property ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do I solve a proportion using cross products property
----
If you have x/a = b/c
x = a(b/c)
----
If you have a/x = b/c
Invert both sides to get
x/a = c/b
x = a(c/b)
-----
If you have a/b = c/d
Cross-multiply to get:
ad = bc
---------------
Cheers,
Stan H.
===============