Answers

2016-03-01T16:04:37+05:30
We have to multiply the extreme terms and the middle terms.

For eg.
x : 8 : : 5 : 40
x*40 8*5

40x = 40

Then we have to bring the constant from the LHS to the RHS.

x = 40 รท 40
x = 1

Therefore, the equation was :

1 : 8 : : 5 : 40
1 5 1