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Finding the Fourth Proportional to 7,249.78, 10,874.84 and 4,107.34

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Solution

The fourth proportional to 7,249.78, 10,874.84 and 4,107.34 is: 6,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.78 : 10,874.84 = 4,107.34 : x
  2. Step 2: Convert to fraction form
    7,249.78/10,874.84 = 4,107.34/x
  3. Step 3: Cross multiply
    7,249.78x = 10,874.84 × 4,107.34
  4. Step 4: Simplify right side
    7,249.78x = 44,666,665.33
  5. Step 5: Solve for x
    x = 44,666,665.33/7,249.78
  6. Step 6: Final answer
    x = 6,161.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.