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Finding the Fourth Proportional to 6,401.68, 9,601.71 and 2,508.82

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Solution

The fourth proportional to 6,401.68, 9,601.71 and 2,508.82 is: 3,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.68 : 9,601.71 = 2,508.82 : x
  2. Step 2: Convert to fraction form
    6,401.68/9,601.71 = 2,508.82/x
  3. Step 3: Cross multiply
    6,401.68x = 9,601.71 × 2,508.82
  4. Step 4: Simplify right side
    6,401.68x = 24,088,962.08
  5. Step 5: Solve for x
    x = 24,088,962.08/6,401.68
  6. Step 6: Final answer
    x = 3,762.91

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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.