Home / 5,456.01-8,179.11-2,491.41

Finding the Fourth Proportional to 5,456.01, 8,179.11 and 2,491.41

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Solution

The fourth proportional to 5,456.01, 8,179.11 and 2,491.41 is: 3,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.01 : 8,179.11 = 2,491.41 : x
  2. Step 2: Convert to fraction form
    5,456.01/8,179.11 = 2,491.41/x
  3. Step 3: Cross multiply
    5,456.01x = 8,179.11 × 2,491.41
  4. Step 4: Simplify right side
    5,456.01x = 20,377,516.45
  5. Step 5: Solve for x
    x = 20,377,516.45/5,456.01
  6. Step 6: Final answer
    x = 3,734.88

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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.