Home / 5,314.85-7,972.23-2,196.53

Finding the Fourth Proportional to 5,314.85, 7,972.23 and 2,196.53

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Solution

The fourth proportional to 5,314.85, 7,972.23 and 2,196.53 is: 3,294.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.85 : 7,972.23 = 2,196.53 : x
  2. Step 2: Convert to fraction form
    5,314.85/7,972.23 = 2,196.53/x
  3. Step 3: Cross multiply
    5,314.85x = 7,972.23 × 2,196.53
  4. Step 4: Simplify right side
    5,314.85x = 17,511,242.36
  5. Step 5: Solve for x
    x = 17,511,242.36/5,314.85
  6. Step 6: Final answer
    x = 3,294.78

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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.