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Finding the Fourth Proportional to 7,250.68, 10,876.50 and 2,320.72

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Solution

The fourth proportional to 7,250.68, 10,876.50 and 2,320.72 is: 3,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.68 : 10,876.50 = 2,320.72 : x
  2. Step 2: Convert to fraction form
    7,250.68/10,876.50 = 2,320.72/x
  3. Step 3: Cross multiply
    7,250.68x = 10,876.50 × 2,320.72
  4. Step 4: Simplify right side
    7,250.68x = 25,241,311.08
  5. Step 5: Solve for x
    x = 25,241,311.08/7,250.68
  6. Step 6: Final answer
    x = 3,481.23

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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.