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Finding the Fourth Proportional to 6,354.11, 8,769.02 and 3,521.42

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Solution

The fourth proportional to 6,354.11, 8,769.02 and 3,521.42 is: 4,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.11 : 8,769.02 = 3,521.42 : x
  2. Step 2: Convert to fraction form
    6,354.11/8,769.02 = 3,521.42/x
  3. Step 3: Cross multiply
    6,354.11x = 8,769.02 × 3,521.42
  4. Step 4: Simplify right side
    6,354.11x = 30,879,442.97
  5. Step 5: Solve for x
    x = 30,879,442.97/6,354.11
  6. Step 6: Final answer
    x = 4,859.76

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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.