Home / 6,879.44-10,321.92-2,497.20

Finding the Fourth Proportional to 6,879.44, 10,321.92 and 2,497.20

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Solution

The fourth proportional to 6,879.44, 10,321.92 and 2,497.20 is: 3,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.44 : 10,321.92 = 2,497.20 : x
  2. Step 2: Convert to fraction form
    6,879.44/10,321.92 = 2,497.20/x
  3. Step 3: Cross multiply
    6,879.44x = 10,321.92 × 2,497.20
  4. Step 4: Simplify right side
    6,879.44x = 25,775,898.62
  5. Step 5: Solve for x
    x = 25,775,898.62/6,879.44
  6. Step 6: Final answer
    x = 3,746.80

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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.