Question 540244
if you want to find the new width you would set up a proportion

4w/6L = w/8L
 
cross multiply 8 times 4 and then set it equal to 6 times w

32 = 6w

divide 32 by 6 (divide both sides by 6)

32/6  = 6w/6

and then you are left with w = 16/3