Home / 5,449.47-8,174.16-1,553.90

Finding the Fourth Proportional to 5,449.47, 8,174.16 and 1,553.90

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Solution

The fourth proportional to 5,449.47, 8,174.16 and 1,553.90 is: 2,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.47 : 8,174.16 = 1,553.90 : x
  2. Step 2: Convert to fraction form
    5,449.47/8,174.16 = 1,553.90/x
  3. Step 3: Cross multiply
    5,449.47x = 8,174.16 × 1,553.90
  4. Step 4: Simplify right side
    5,449.47x = 12,701,786.35
  5. Step 5: Solve for x
    x = 12,701,786.35/5,449.47
  6. Step 6: Final answer
    x = 2,330.83

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1.5x scale

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.