Finding the Fourth Proportional to 6.74, 10.14 and 6
Calculator
Solution
The fourth proportional to 6.74, 10.14 and 6 is: 9.03
Step by Step Solution
- Step 1: Write the proportion equation
6.74 : 10.14 = 6 : x - Step 2: Convert to fraction form
6.74/10.14 = 6/x - Step 3: Cross multiply
6.74x = 10.14 × 6 - Step 4: Simplify right side
6.74x = 60.83 - Step 5: Solve for x
x = 60.83/6.74 - Step 6: Final answer
x = 9.03
Related Problems
Find fourth proportional to 3.37, 5.07 and 3
Half scale
Find fourth proportional to 13.47, 20.28 and 12
Double scale
Find fourth proportional to 7.74, 11.64 and 7
Similar ratio
Find fourth proportional to 10.10, 15.21 and 9
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.