Home / 4,488.12-6,732.18-2,147.57

Finding the Fourth Proportional to 4,488.12, 6,732.18 and 2,147.57

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Solution

The fourth proportional to 4,488.12, 6,732.18 and 2,147.57 is: 3,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.12 : 6,732.18 = 2,147.57 : x
  2. Step 2: Convert to fraction form
    4,488.12/6,732.18 = 2,147.57/x
  3. Step 3: Cross multiply
    4,488.12x = 6,732.18 × 2,147.57
  4. Step 4: Simplify right side
    4,488.12x = 14,457,819.75
  5. Step 5: Solve for x
    x = 14,457,819.75/4,488.12
  6. Step 6: Final answer
    x = 3,221.36

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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.