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Finding the Fourth Proportional to 6,297.72, 8,691.28 and 4,169.59

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Solution

The fourth proportional to 6,297.72, 8,691.28 and 4,169.59 is: 5,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297.72 : 8,691.28 = 4,169.59 : x
  2. Step 2: Convert to fraction form
    6,297.72/8,691.28 = 4,169.59/x
  3. Step 3: Cross multiply
    6,297.72x = 8,691.28 × 4,169.59
  4. Step 4: Simplify right side
    6,297.72x = 36,239,030.72
  5. Step 5: Solve for x
    x = 36,239,030.72/6,297.72
  6. Step 6: Final answer
    x = 5,754.31

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1.5x scale

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.