Respuesta :

x/7 has to be proportionate to 9.2/16.1 so find out how 7 relates to 16.1

16.1/7=2.3 and 7*2.3=16.1

then apply it to x and 9.2

9.2/2.3= 4 and 4*2.3=9.2

So, x=4