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Finding the Fourth Proportional to 8,333.28, 12,500.14 and 3,650.87

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Solution

The fourth proportional to 8,333.28, 12,500.14 and 3,650.87 is: 5,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.28 : 12,500.14 = 3,650.87 : x
  2. Step 2: Convert to fraction form
    8,333.28/12,500.14 = 3,650.87/x
  3. Step 3: Cross multiply
    8,333.28x = 12,500.14 × 3,650.87
  4. Step 4: Simplify right side
    8,333.28x = 45,636,386.12
  5. Step 5: Solve for x
    x = 45,636,386.12/8,333.28
  6. Step 6: Final answer
    x = 5,476.40

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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.