Home / 7,917.38-11,872.73-2,371.52

Finding the Fourth Proportional to 7,917.38, 11,872.73 and 2,371.52

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Solution

The fourth proportional to 7,917.38, 11,872.73 and 2,371.52 is: 3,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.38 : 11,872.73 = 2,371.52 : x
  2. Step 2: Convert to fraction form
    7,917.38/11,872.73 = 2,371.52/x
  3. Step 3: Cross multiply
    7,917.38x = 11,872.73 × 2,371.52
  4. Step 4: Simplify right side
    7,917.38x = 28,156,363.21
  5. Step 5: Solve for x
    x = 28,156,363.21/7,917.38
  6. Step 6: Final answer
    x = 3,556.27

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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.