Home / 8,519.62-12,781.49-2,676.23

Finding the Fourth Proportional to 8,519.62, 12,781.49 and 2,676.23

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Solution

The fourth proportional to 8,519.62, 12,781.49 and 2,676.23 is: 4,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.62 : 12,781.49 = 2,676.23 : x
  2. Step 2: Convert to fraction form
    8,519.62/12,781.49 = 2,676.23/x
  3. Step 3: Cross multiply
    8,519.62x = 12,781.49 × 2,676.23
  4. Step 4: Simplify right side
    8,519.62x = 34,206,129.69
  5. Step 5: Solve for x
    x = 34,206,129.69/8,519.62
  6. Step 6: Final answer
    x = 4,014.98

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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.