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Finding the Fourth Proportional to 6,375.11, 9,560.30 and 2,214

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Solution

The fourth proportional to 6,375.11, 9,560.30 and 2,214 is: 3,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.11 : 9,560.30 = 2,214 : x
  2. Step 2: Convert to fraction form
    6,375.11/9,560.30 = 2,214/x
  3. Step 3: Cross multiply
    6,375.11x = 9,560.30 × 2,214
  4. Step 4: Simplify right side
    6,375.11x = 21,166,493.13
  5. Step 5: Solve for x
    x = 21,166,493.13/6,375.11
  6. Step 6: Final answer
    x = 3,320.18

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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.