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Finding the Fourth Proportional to 6,377.92, 9,504.28 and 6,169.12

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Solution

The fourth proportional to 6,377.92, 9,504.28 and 6,169.12 is: 9,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.92 : 9,504.28 = 6,169.12 : x
  2. Step 2: Convert to fraction form
    6,377.92/9,504.28 = 6,169.12/x
  3. Step 3: Cross multiply
    6,377.92x = 9,504.28 × 6,169.12
  4. Step 4: Simplify right side
    6,377.92x = 58,633,043.83
  5. Step 5: Solve for x
    x = 58,633,043.83/6,377.92
  6. Step 6: Final answer
    x = 9,193.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.