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Finding the Fourth Proportional to 6,387.76, 9,583.01 and 2,691.73

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Solution

The fourth proportional to 6,387.76, 9,583.01 and 2,691.73 is: 4,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.76 : 9,583.01 = 2,691.73 : x
  2. Step 2: Convert to fraction form
    6,387.76/9,583.01 = 2,691.73/x
  3. Step 3: Cross multiply
    6,387.76x = 9,583.01 × 2,691.73
  4. Step 4: Simplify right side
    6,387.76x = 25,794,874.03
  5. Step 5: Solve for x
    x = 25,794,874.03/6,387.76
  6. Step 6: Final answer
    x = 4,038.17

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1.5x scale

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.