Home / 5,385.88-7,431.91-3,027.97

Finding the Fourth Proportional to 5,385.88, 7,431.91 and 3,027.97

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Solution

The fourth proportional to 5,385.88, 7,431.91 and 3,027.97 is: 4,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.88 : 7,431.91 = 3,027.97 : x
  2. Step 2: Convert to fraction form
    5,385.88/7,431.91 = 3,027.97/x
  3. Step 3: Cross multiply
    5,385.88x = 7,431.91 × 3,027.97
  4. Step 4: Simplify right side
    5,385.88x = 22,503,600.52
  5. Step 5: Solve for x
    x = 22,503,600.52/5,385.88
  6. Step 6: Final answer
    x = 4,178.26

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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.