Home / 6,351.91-8,765.61-3,519.29

Finding the Fourth Proportional to 6,351.91, 8,765.61 and 3,519.29

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Solution

The fourth proportional to 6,351.91, 8,765.61 and 3,519.29 is: 4,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.91 : 8,765.61 = 3,519.29 : x
  2. Step 2: Convert to fraction form
    6,351.91/8,765.61 = 3,519.29/x
  3. Step 3: Cross multiply
    6,351.91x = 8,765.61 × 3,519.29
  4. Step 4: Simplify right side
    6,351.91x = 30,848,723.62
  5. Step 5: Solve for x
    x = 30,848,723.62/6,351.91
  6. Step 6: Final answer
    x = 4,856.61

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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.