Question 656229
{{{ x/4 = 10/6 }}}
{{{ x/4 = 5/3 }}}
Multiply both sides by {{{ 12 }}}
{{{ 3x = 20 }}}
{{{ x = 6 + 2/3 }}}
----------------
You just had a problem with the
cross-multiply
I usually multiply both sides by the 
LCD, which was {{{12}}} in this case