Home / 5,422.11-7,487.97-4,671.87

Finding the Fourth Proportional to 5,422.11, 7,487.97 and 4,671.87

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Solution

The fourth proportional to 5,422.11, 7,487.97 and 4,671.87 is: 6,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.11 : 7,487.97 = 4,671.87 : x
  2. Step 2: Convert to fraction form
    5,422.11/7,487.97 = 4,671.87/x
  3. Step 3: Cross multiply
    5,422.11x = 7,487.97 × 4,671.87
  4. Step 4: Simplify right side
    5,422.11x = 34,982,822.40
  5. Step 5: Solve for x
    x = 34,982,822.40/5,422.11
  6. Step 6: Final answer
    x = 6,451.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.