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Finding the Fourth Proportional to 6,351.29, 8,765.03 and 3,518.61

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Solution

The fourth proportional to 6,351.29, 8,765.03 and 3,518.61 is: 4,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.29 : 8,765.03 = 3,518.61 : x
  2. Step 2: Convert to fraction form
    6,351.29/8,765.03 = 3,518.61/x
  3. Step 3: Cross multiply
    6,351.29x = 8,765.03 × 3,518.61
  4. Step 4: Simplify right side
    6,351.29x = 30,840,722.21
  5. Step 5: Solve for x
    x = 30,840,722.21/6,351.29
  6. Step 6: Final answer
    x = 4,855.82

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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.