Home / 7,451.22-11,178.56-2,186.02

Finding the Fourth Proportional to 7,451.22, 11,178.56 and 2,186.02

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Solution

The fourth proportional to 7,451.22, 11,178.56 and 2,186.02 is: 3,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.22 : 11,178.56 = 2,186.02 : x
  2. Step 2: Convert to fraction form
    7,451.22/11,178.56 = 2,186.02/x
  3. Step 3: Cross multiply
    7,451.22x = 11,178.56 × 2,186.02
  4. Step 4: Simplify right side
    7,451.22x = 24,436,488.91
  5. Step 5: Solve for x
    x = 24,436,488.91/7,451.22
  6. Step 6: Final answer
    x = 3,279.53

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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.