Home / 5,491.72-8,240.10-2,372.68

Finding the Fourth Proportional to 5,491.72, 8,240.10 and 2,372.68

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Solution

The fourth proportional to 5,491.72, 8,240.10 and 2,372.68 is: 3,560.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.72 : 8,240.10 = 2,372.68 : x
  2. Step 2: Convert to fraction form
    5,491.72/8,240.10 = 2,372.68/x
  3. Step 3: Cross multiply
    5,491.72x = 8,240.10 × 2,372.68
  4. Step 4: Simplify right side
    5,491.72x = 19,551,120.47
  5. Step 5: Solve for x
    x = 19,551,120.47/5,491.72
  6. Step 6: Final answer
    x = 3,560.11

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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.