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Finding the Fourth Proportional to 5,921.66, 8,874.01 and 4,349.32

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Solution

The fourth proportional to 5,921.66, 8,874.01 and 4,349.32 is: 6,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.66 : 8,874.01 = 4,349.32 : x
  2. Step 2: Convert to fraction form
    5,921.66/8,874.01 = 4,349.32/x
  3. Step 3: Cross multiply
    5,921.66x = 8,874.01 × 4,349.32
  4. Step 4: Simplify right side
    5,921.66x = 38,595,909.17
  5. Step 5: Solve for x
    x = 38,595,909.17/5,921.66
  6. Step 6: Final answer
    x = 6,517.75

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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.