Home / 5,388.18-7,434.90-3,029.85

Finding the Fourth Proportional to 5,388.18, 7,434.90 and 3,029.85

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Solution

The fourth proportional to 5,388.18, 7,434.90 and 3,029.85 is: 4,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.18 : 7,434.90 = 3,029.85 : x
  2. Step 2: Convert to fraction form
    5,388.18/7,434.90 = 3,029.85/x
  3. Step 3: Cross multiply
    5,388.18x = 7,434.90 × 3,029.85
  4. Step 4: Simplify right side
    5,388.18x = 22,526,631.77
  5. Step 5: Solve for x
    x = 22,526,631.77/5,388.18
  6. Step 6: Final answer
    x = 4,180.75

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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.