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Finding the Fourth Proportional to 6,691.32, 10,018.44 and 5,042.88

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Solution

The fourth proportional to 6,691.32, 10,018.44 and 5,042.88 is: 7,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.32 : 10,018.44 = 5,042.88 : x
  2. Step 2: Convert to fraction form
    6,691.32/10,018.44 = 5,042.88/x
  3. Step 3: Cross multiply
    6,691.32x = 10,018.44 × 5,042.88
  4. Step 4: Simplify right side
    6,691.32x = 50,521,790.71
  5. Step 5: Solve for x
    x = 50,521,790.71/6,691.32
  6. Step 6: Final answer
    x = 7,550.35

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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.