Home / 8,627.28-12,935.52-3,694.20

Finding the Fourth Proportional to 8,627.28, 12,935.52 and 3,694.20

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Solution

The fourth proportional to 8,627.28, 12,935.52 and 3,694.20 is: 5,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.28 : 12,935.52 = 3,694.20 : x
  2. Step 2: Convert to fraction form
    8,627.28/12,935.52 = 3,694.20/x
  3. Step 3: Cross multiply
    8,627.28x = 12,935.52 × 3,694.20
  4. Step 4: Simplify right side
    8,627.28x = 47,786,397.98
  5. Step 5: Solve for x
    x = 47,786,397.98/8,627.28
  6. Step 6: Final answer
    x = 5,538.99

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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.