Home / 7,672.20-11,508.51-2,992.02

Finding the Fourth Proportional to 7,672.20, 11,508.51 and 2,992.02

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Solution

The fourth proportional to 7,672.20, 11,508.51 and 2,992.02 is: 4,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.20 : 11,508.51 = 2,992.02 : x
  2. Step 2: Convert to fraction form
    7,672.20/11,508.51 = 2,992.02/x
  3. Step 3: Cross multiply
    7,672.20x = 11,508.51 × 2,992.02
  4. Step 4: Simplify right side
    7,672.20x = 34,433,692.09
  5. Step 5: Solve for x
    x = 34,433,692.09/7,672.20
  6. Step 6: Final answer
    x = 4,488.11

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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.