Home / 8,267.68-12,402.31-2,721.07

Finding the Fourth Proportional to 8,267.68, 12,402.31 and 2,721.07

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Solution

The fourth proportional to 8,267.68, 12,402.31 and 2,721.07 is: 4,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.68 : 12,402.31 = 2,721.07 : x
  2. Step 2: Convert to fraction form
    8,267.68/12,402.31 = 2,721.07/x
  3. Step 3: Cross multiply
    8,267.68x = 12,402.31 × 2,721.07
  4. Step 4: Simplify right side
    8,267.68x = 33,747,553.67
  5. Step 5: Solve for x
    x = 33,747,553.67/8,267.68
  6. Step 6: Final answer
    x = 4,081.87

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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.