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Finding the Fourth Proportional to 8,134.28, 12,209.10 and 5,062.28

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Solution

The fourth proportional to 8,134.28, 12,209.10 and 5,062.28 is: 7,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.28 : 12,209.10 = 5,062.28 : x
  2. Step 2: Convert to fraction form
    8,134.28/12,209.10 = 5,062.28/x
  3. Step 3: Cross multiply
    8,134.28x = 12,209.10 × 5,062.28
  4. Step 4: Simplify right side
    8,134.28x = 61,805,882.75
  5. Step 5: Solve for x
    x = 61,805,882.75/8,134.28
  6. Step 6: Final answer
    x = 7,598.20

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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.