Home / 7,672.29-11,508.44-3,286.91

Finding the Fourth Proportional to 7,672.29, 11,508.44 and 3,286.91

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Solution

The fourth proportional to 7,672.29, 11,508.44 and 3,286.91 is: 4,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.29 : 11,508.44 = 3,286.91 : x
  2. Step 2: Convert to fraction form
    7,672.29/11,508.44 = 3,286.91/x
  3. Step 3: Cross multiply
    7,672.29x = 11,508.44 × 3,286.91
  4. Step 4: Simplify right side
    7,672.29x = 37,827,206.52
  5. Step 5: Solve for x
    x = 37,827,206.52/7,672.29
  6. Step 6: Final answer
    x = 4,930.37

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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.