Home / 8,266.73-12,401.61-2,721.65

Finding the Fourth Proportional to 8,266.73, 12,401.61 and 2,721.65

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Solution

The fourth proportional to 8,266.73, 12,401.61 and 2,721.65 is: 4,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.73 : 12,401.61 = 2,721.65 : x
  2. Step 2: Convert to fraction form
    8,266.73/12,401.61 = 2,721.65/x
  3. Step 3: Cross multiply
    8,266.73x = 12,401.61 × 2,721.65
  4. Step 4: Simplify right side
    8,266.73x = 33,752,841.86
  5. Step 5: Solve for x
    x = 33,752,841.86/8,266.73
  6. Step 6: Final answer
    x = 4,082.97

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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.