Home / 7,409.70-11,114.55-5,757.30

Finding the Fourth Proportional to 7,409.70, 11,114.55 and 5,757.30

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Solution

The fourth proportional to 7,409.70, 11,114.55 and 5,757.30 is: 8,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.70 : 11,114.55 = 5,757.30 : x
  2. Step 2: Convert to fraction form
    7,409.70/11,114.55 = 5,757.30/x
  3. Step 3: Cross multiply
    7,409.70x = 11,114.55 × 5,757.30
  4. Step 4: Simplify right side
    7,409.70x = 63,989,798.72
  5. Step 5: Solve for x
    x = 63,989,798.72/7,409.70
  6. Step 6: Final answer
    x = 8,635.95

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Similar ratio
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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.