Home / 8,174.03-12,262.87-2,979.91

Finding the Fourth Proportional to 8,174.03, 12,262.87 and 2,979.91

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Solution

The fourth proportional to 8,174.03, 12,262.87 and 2,979.91 is: 4,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.03 : 12,262.87 = 2,979.91 : x
  2. Step 2: Convert to fraction form
    8,174.03/12,262.87 = 2,979.91/x
  3. Step 3: Cross multiply
    8,174.03x = 12,262.87 × 2,979.91
  4. Step 4: Simplify right side
    8,174.03x = 36,542,248.94
  5. Step 5: Solve for x
    x = 36,542,248.94/8,174.03
  6. Step 6: Final answer
    x = 4,470.53

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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.