Home / 6,481.52-9,714.96-2,581.40

Finding the Fourth Proportional to 6,481.52, 9,714.96 and 2,581.40

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Solution

The fourth proportional to 6,481.52, 9,714.96 and 2,581.40 is: 3,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.52 : 9,714.96 = 2,581.40 : x
  2. Step 2: Convert to fraction form
    6,481.52/9,714.96 = 2,581.40/x
  3. Step 3: Cross multiply
    6,481.52x = 9,714.96 × 2,581.40
  4. Step 4: Simplify right side
    6,481.52x = 25,078,197.74
  5. Step 5: Solve for x
    x = 25,078,197.74/6,481.52
  6. Step 6: Final answer
    x = 3,869.18

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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.