Finding the Fourth Proportional to 9,106, 13,659 and 2,950
Calculator
Solution
The fourth proportional to 9,106, 13,659 and 2,950 is: 4,425
Step by Step Solution
- Step 1: Write the proportion equation
9,106 : 13,659 = 2,950 : x - Step 2: Convert to fraction form
9,106/13,659 = 2,950/x - Step 3: Cross multiply
9,106x = 13,659 × 2,950 - Step 4: Simplify right side
9,106x = 40,294,050 - Step 5: Solve for x
x = 40,294,050/9,106 - Step 6: Final answer
x = 4,425
Related Problems
Find fourth proportional to 4,553, 6,829.50 and 1,475
Half scale
Find fourth proportional to 18,212, 27,318 and 5,900
Double scale
Find fourth proportional to 9,107, 13,660.50 and 2,951
Similar ratio
Find fourth proportional to 13,659, 20,488.50 and 4,425
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.