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Finding the Fourth Proportional to 8,251.44, 12,377.01 and 2,011.50

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Solution

The fourth proportional to 8,251.44, 12,377.01 and 2,011.50 is: 3,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.44 : 12,377.01 = 2,011.50 : x
  2. Step 2: Convert to fraction form
    8,251.44/12,377.01 = 2,011.50/x
  3. Step 3: Cross multiply
    8,251.44x = 12,377.01 × 2,011.50
  4. Step 4: Simplify right side
    8,251.44x = 24,896,355.62
  5. Step 5: Solve for x
    x = 24,896,355.62/8,251.44
  6. Step 6: Final answer
    x = 3,017.21

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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.