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Finding the Fourth Proportional to 7,354.37, 10,149.09 and 3,997.22

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Solution

The fourth proportional to 7,354.37, 10,149.09 and 3,997.22 is: 5,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.37 : 10,149.09 = 3,997.22 : x
  2. Step 2: Convert to fraction form
    7,354.37/10,149.09 = 3,997.22/x
  3. Step 3: Cross multiply
    7,354.37x = 10,149.09 × 3,997.22
  4. Step 4: Simplify right side
    7,354.37x = 40,568,094.78
  5. Step 5: Solve for x
    x = 40,568,094.78/7,354.37
  6. Step 6: Final answer
    x = 5,516.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.