Home / 8,234.67-12,351.07-2,687.52

Finding the Fourth Proportional to 8,234.67, 12,351.07 and 2,687.52

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Solution

The fourth proportional to 8,234.67, 12,351.07 and 2,687.52 is: 4,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.67 : 12,351.07 = 2,687.52 : x
  2. Step 2: Convert to fraction form
    8,234.67/12,351.07 = 2,687.52/x
  3. Step 3: Cross multiply
    8,234.67x = 12,351.07 × 2,687.52
  4. Step 4: Simplify right side
    8,234.67x = 33,193,747.65
  5. Step 5: Solve for x
    x = 33,193,747.65/8,234.67
  6. Step 6: Final answer
    x = 4,030.97

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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.