Home / 4,089.43-5,649.11-3,937.71

Finding the Fourth Proportional to 4,089.43, 5,649.11 and 3,937.71

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Solution

The fourth proportional to 4,089.43, 5,649.11 and 3,937.71 is: 5,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.43 : 5,649.11 = 3,937.71 : x
  2. Step 2: Convert to fraction form
    4,089.43/5,649.11 = 3,937.71/x
  3. Step 3: Cross multiply
    4,089.43x = 5,649.11 × 3,937.71
  4. Step 4: Simplify right side
    4,089.43x = 22,244,556.94
  5. Step 5: Solve for x
    x = 22,244,556.94/4,089.43
  6. Step 6: Final answer
    x = 5,439.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.