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Finding the Fourth Proportional to 6,269.48, 9,404.48 and 5,171.80

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Solution

The fourth proportional to 6,269.48, 9,404.48 and 5,171.80 is: 7,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.48 : 9,404.48 = 5,171.80 : x
  2. Step 2: Convert to fraction form
    6,269.48/9,404.48 = 5,171.80/x
  3. Step 3: Cross multiply
    6,269.48x = 9,404.48 × 5,171.80
  4. Step 4: Simplify right side
    6,269.48x = 48,638,089.66
  5. Step 5: Solve for x
    x = 48,638,089.66/6,269.48
  6. Step 6: Final answer
    x = 7,757.91

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1.5x scale

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.