Home / 7,423.52-11,132.72-2,491.98

Finding the Fourth Proportional to 7,423.52, 11,132.72 and 2,491.98

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Solution

The fourth proportional to 7,423.52, 11,132.72 and 2,491.98 is: 3,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.52 : 11,132.72 = 2,491.98 : x
  2. Step 2: Convert to fraction form
    7,423.52/11,132.72 = 2,491.98/x
  3. Step 3: Cross multiply
    7,423.52x = 11,132.72 × 2,491.98
  4. Step 4: Simplify right side
    7,423.52x = 27,742,515.59
  5. Step 5: Solve for x
    x = 27,742,515.59/7,423.52
  6. Step 6: Final answer
    x = 3,737.11

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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.