Home / 7,676.65-11,511.19-2,481.85

Finding the Fourth Proportional to 7,676.65, 11,511.19 and 2,481.85

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Solution

The fourth proportional to 7,676.65, 11,511.19 and 2,481.85 is: 3,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.65 : 11,511.19 = 2,481.85 : x
  2. Step 2: Convert to fraction form
    7,676.65/11,511.19 = 2,481.85/x
  3. Step 3: Cross multiply
    7,676.65x = 11,511.19 × 2,481.85
  4. Step 4: Simplify right side
    7,676.65x = 28,569,046.90
  5. Step 5: Solve for x
    x = 28,569,046.90/7,676.65
  6. Step 6: Final answer
    x = 3,721.55

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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.