Home / 8,195.20-12,294.72-2,648.96

Finding the Fourth Proportional to 8,195.20, 12,294.72 and 2,648.96

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Solution

The fourth proportional to 8,195.20, 12,294.72 and 2,648.96 is: 3,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.20 : 12,294.72 = 2,648.96 : x
  2. Step 2: Convert to fraction form
    8,195.20/12,294.72 = 2,648.96/x
  3. Step 3: Cross multiply
    8,195.20x = 12,294.72 × 2,648.96
  4. Step 4: Simplify right side
    8,195.20x = 32,568,221.49
  5. Step 5: Solve for x
    x = 32,568,221.49/8,195.20
  6. Step 6: Final answer
    x = 3,974.06

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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.