Home / 5,385.62-8,076.38-2,461.88

Finding the Fourth Proportional to 5,385.62, 8,076.38 and 2,461.88

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Solution

The fourth proportional to 5,385.62, 8,076.38 and 2,461.88 is: 3,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.62 : 8,076.38 = 2,461.88 : x
  2. Step 2: Convert to fraction form
    5,385.62/8,076.38 = 2,461.88/x
  3. Step 3: Cross multiply
    5,385.62x = 8,076.38 × 2,461.88
  4. Step 4: Simplify right side
    5,385.62x = 19,883,078.39
  5. Step 5: Solve for x
    x = 19,883,078.39/5,385.62
  6. Step 6: Final answer
    x = 3,691.88

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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.