Home / 8,312.28-12,471.02-2,468.92

Finding the Fourth Proportional to 8,312.28, 12,471.02 and 2,468.92

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Solution

The fourth proportional to 8,312.28, 12,471.02 and 2,468.92 is: 3,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.28 : 12,471.02 = 2,468.92 : x
  2. Step 2: Convert to fraction form
    8,312.28/12,471.02 = 2,468.92/x
  3. Step 3: Cross multiply
    8,312.28x = 12,471.02 × 2,468.92
  4. Step 4: Simplify right side
    8,312.28x = 30,789,950.70
  5. Step 5: Solve for x
    x = 30,789,950.70/8,312.28
  6. Step 6: Final answer
    x = 3,704.15

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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.