Home / 8,207.33-12,311.17-2,942.69

Finding the Fourth Proportional to 8,207.33, 12,311.17 and 2,942.69

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Solution

The fourth proportional to 8,207.33, 12,311.17 and 2,942.69 is: 4,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.33 : 12,311.17 = 2,942.69 : x
  2. Step 2: Convert to fraction form
    8,207.33/12,311.17 = 2,942.69/x
  3. Step 3: Cross multiply
    8,207.33x = 12,311.17 × 2,942.69
  4. Step 4: Simplify right side
    8,207.33x = 36,227,887.93
  5. Step 5: Solve for x
    x = 36,227,887.93/8,207.33
  6. Step 6: Final answer
    x = 4,414.09

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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.