Home / 6,351.59-8,765.61-3,519.08

Finding the Fourth Proportional to 6,351.59, 8,765.61 and 3,519.08

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Solution

The fourth proportional to 6,351.59, 8,765.61 and 3,519.08 is: 4,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.59 : 8,765.61 = 3,519.08 : x
  2. Step 2: Convert to fraction form
    6,351.59/8,765.61 = 3,519.08/x
  3. Step 3: Cross multiply
    6,351.59x = 8,765.61 × 3,519.08
  4. Step 4: Simplify right side
    6,351.59x = 30,846,882.84
  5. Step 5: Solve for x
    x = 30,846,882.84/6,351.59
  6. Step 6: Final answer
    x = 4,856.56

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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.