Home / 7,916.20-11,874.48-2,722

Finding the Fourth Proportional to 7,916.20, 11,874.48 and 2,722

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Solution

The fourth proportional to 7,916.20, 11,874.48 and 2,722 is: 4,083.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.20 : 11,874.48 = 2,722 : x
  2. Step 2: Convert to fraction form
    7,916.20/11,874.48 = 2,722/x
  3. Step 3: Cross multiply
    7,916.20x = 11,874.48 × 2,722
  4. Step 4: Simplify right side
    7,916.20x = 32,322,334.56
  5. Step 5: Solve for x
    x = 32,322,334.56/7,916.20
  6. Step 6: Final answer
    x = 4,083.06

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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.