Home / 8,267.82-12,401.85-2,721.60

Finding the Fourth Proportional to 8,267.82, 12,401.85 and 2,721.60

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Solution

The fourth proportional to 8,267.82, 12,401.85 and 2,721.60 is: 4,082.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.82 : 12,401.85 = 2,721.60 : x
  2. Step 2: Convert to fraction form
    8,267.82/12,401.85 = 2,721.60/x
  3. Step 3: Cross multiply
    8,267.82x = 12,401.85 × 2,721.60
  4. Step 4: Simplify right side
    8,267.82x = 33,752,874.96
  5. Step 5: Solve for x
    x = 33,752,874.96/8,267.82
  6. Step 6: Final answer
    x = 4,082.44

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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.