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Finding the Fourth Proportional to 6,391.48, 9,563.14 and 5,744

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Solution

The fourth proportional to 6,391.48, 9,563.14 and 5,744 is: 8,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.48 : 9,563.14 = 5,744 : x
  2. Step 2: Convert to fraction form
    6,391.48/9,563.14 = 5,744/x
  3. Step 3: Cross multiply
    6,391.48x = 9,563.14 × 5,744
  4. Step 4: Simplify right side
    6,391.48x = 54,930,676.16
  5. Step 5: Solve for x
    x = 54,930,676.16/6,391.48
  6. Step 6: Final answer
    x = 8,594.36

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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.