Home / 10,330.90-15,490.59-3,757.30

Finding the Fourth Proportional to 10,330.90, 15,490.59 and 3,757.30

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Solution

The fourth proportional to 10,330.90, 15,490.59 and 3,757.30 is: 5,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.90 : 15,490.59 = 3,757.30 : x
  2. Step 2: Convert to fraction form
    10,330.90/15,490.59 = 3,757.30/x
  3. Step 3: Cross multiply
    10,330.90x = 15,490.59 × 3,757.30
  4. Step 4: Simplify right side
    10,330.90x = 58,202,793.81
  5. Step 5: Solve for x
    x = 58,202,793.81/10,330.90
  6. Step 6: Final answer
    x = 5,633.86

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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.