Home / 8,269.53-12,401.66-2,721.38

Finding the Fourth Proportional to 8,269.53, 12,401.66 and 2,721.38

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Solution

The fourth proportional to 8,269.53, 12,401.66 and 2,721.38 is: 4,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.53 : 12,401.66 = 2,721.38 : x
  2. Step 2: Convert to fraction form
    8,269.53/12,401.66 = 2,721.38/x
  3. Step 3: Cross multiply
    8,269.53x = 12,401.66 × 2,721.38
  4. Step 4: Simplify right side
    8,269.53x = 33,749,553.88
  5. Step 5: Solve for x
    x = 33,749,553.88/8,269.53
  6. Step 6: Final answer
    x = 4,081.19

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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.