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Finding the Fourth Proportional to 8,794, 12,135.77 and 6,557.86

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Solution

The fourth proportional to 8,794, 12,135.77 and 6,557.86 is: 9,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794 : 12,135.77 = 6,557.86 : x
  2. Step 2: Convert to fraction form
    8,794/12,135.77 = 6,557.86/x
  3. Step 3: Cross multiply
    8,794x = 12,135.77 × 6,557.86
  4. Step 4: Simplify right side
    8,794x = 79,584,680.65
  5. Step 5: Solve for x
    x = 79,584,680.65/8,794
  6. Step 6: Final answer
    x = 9,049.88

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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.