Home / 6,879.92-10,320.56-2,497.72

Finding the Fourth Proportional to 6,879.92, 10,320.56 and 2,497.72

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Solution

The fourth proportional to 6,879.92, 10,320.56 and 2,497.72 is: 3,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.92 : 10,320.56 = 2,497.72 : x
  2. Step 2: Convert to fraction form
    6,879.92/10,320.56 = 2,497.72/x
  3. Step 3: Cross multiply
    6,879.92x = 10,320.56 × 2,497.72
  4. Step 4: Simplify right side
    6,879.92x = 25,777,869.12
  5. Step 5: Solve for x
    x = 25,777,869.12/6,879.92
  6. Step 6: Final answer
    x = 3,746.83

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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.