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Finding the Fourth Proportional to 7,561.62, 11,343.60 and 2,367

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Solution

The fourth proportional to 7,561.62, 11,343.60 and 2,367 is: 3,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.62 : 11,343.60 = 2,367 : x
  2. Step 2: Convert to fraction form
    7,561.62/11,343.60 = 2,367/x
  3. Step 3: Cross multiply
    7,561.62x = 11,343.60 × 2,367
  4. Step 4: Simplify right side
    7,561.62x = 26,850,301.20
  5. Step 5: Solve for x
    x = 26,850,301.20/7,561.62
  6. Step 6: Final answer
    x = 3,550.87

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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.