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Finding the Fourth Proportional to 8,532.71, 12,797.15 and 3,060.71

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Solution

The fourth proportional to 8,532.71, 12,797.15 and 3,060.71 is: 4,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.71 : 12,797.15 = 3,060.71 : x
  2. Step 2: Convert to fraction form
    8,532.71/12,797.15 = 3,060.71/x
  3. Step 3: Cross multiply
    8,532.71x = 12,797.15 × 3,060.71
  4. Step 4: Simplify right side
    8,532.71x = 39,168,349.67
  5. Step 5: Solve for x
    x = 39,168,349.67/8,532.71
  6. Step 6: Final answer
    x = 4,590.38

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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.