Home / 5,165.43-7,748.66-1,654.55

Finding the Fourth Proportional to 5,165.43, 7,748.66 and 1,654.55

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Solution

The fourth proportional to 5,165.43, 7,748.66 and 1,654.55 is: 2,481.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.43 : 7,748.66 = 1,654.55 : x
  2. Step 2: Convert to fraction form
    5,165.43/7,748.66 = 1,654.55/x
  3. Step 3: Cross multiply
    5,165.43x = 7,748.66 × 1,654.55
  4. Step 4: Simplify right side
    5,165.43x = 12,820,545.40
  5. Step 5: Solve for x
    x = 12,820,545.40/5,165.43
  6. Step 6: Final answer
    x = 2,481.99

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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.