Home / 8,589.20-12,882.84-3,326

Finding the Fourth Proportional to 8,589.20, 12,882.84 and 3,326

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Solution

The fourth proportional to 8,589.20, 12,882.84 and 3,326 is: 4,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.20 : 12,882.84 = 3,326 : x
  2. Step 2: Convert to fraction form
    8,589.20/12,882.84 = 3,326/x
  3. Step 3: Cross multiply
    8,589.20x = 12,882.84 × 3,326
  4. Step 4: Simplify right side
    8,589.20x = 42,848,325.84
  5. Step 5: Solve for x
    x = 42,848,325.84/8,589.20
  6. Step 6: Final answer
    x = 4,988.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.