Home / 6,391.72-9,577.50-3,469.24

Finding the Fourth Proportional to 6,391.72, 9,577.50 and 3,469.24

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Solution

The fourth proportional to 6,391.72, 9,577.50 and 3,469.24 is: 5,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.72 : 9,577.50 = 3,469.24 : x
  2. Step 2: Convert to fraction form
    6,391.72/9,577.50 = 3,469.24/x
  3. Step 3: Cross multiply
    6,391.72x = 9,577.50 × 3,469.24
  4. Step 4: Simplify right side
    6,391.72x = 33,226,646.10
  5. Step 5: Solve for x
    x = 33,226,646.10/6,391.72
  6. Step 6: Final answer
    x = 5,198.39

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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.