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Finding the Fourth Proportional to 7,375.15, 11,063 and 2,445.22

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Solution

The fourth proportional to 7,375.15, 11,063 and 2,445.22 is: 3,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.15 : 11,063 = 2,445.22 : x
  2. Step 2: Convert to fraction form
    7,375.15/11,063 = 2,445.22/x
  3. Step 3: Cross multiply
    7,375.15x = 11,063 × 2,445.22
  4. Step 4: Simplify right side
    7,375.15x = 27,051,468.86
  5. Step 5: Solve for x
    x = 27,051,468.86/7,375.15
  6. Step 6: Final answer
    x = 3,667.92

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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.