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Finding the Fourth Proportional to 6,429.66, 9,644.50 and 2,269.92

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Solution

The fourth proportional to 6,429.66, 9,644.50 and 2,269.92 is: 3,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.66 : 9,644.50 = 2,269.92 : x
  2. Step 2: Convert to fraction form
    6,429.66/9,644.50 = 2,269.92/x
  3. Step 3: Cross multiply
    6,429.66x = 9,644.50 × 2,269.92
  4. Step 4: Simplify right side
    6,429.66x = 21,892,237.77
  5. Step 5: Solve for x
    x = 21,892,237.77/6,429.66
  6. Step 6: Final answer
    x = 3,404.88

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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.