Home / 5,480.38-8,223.27-3,399.85

Finding the Fourth Proportional to 5,480.38, 8,223.27 and 3,399.85

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Solution

The fourth proportional to 5,480.38, 8,223.27 and 3,399.85 is: 5,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.38 : 8,223.27 = 3,399.85 : x
  2. Step 2: Convert to fraction form
    5,480.38/8,223.27 = 3,399.85/x
  3. Step 3: Cross multiply
    5,480.38x = 8,223.27 × 3,399.85
  4. Step 4: Simplify right side
    5,480.38x = 27,957,884.51
  5. Step 5: Solve for x
    x = 27,957,884.51/5,480.38
  6. Step 6: Final answer
    x = 5,101.45

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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.