Home / 8,175.75-11,278.56-5,344.05

Finding the Fourth Proportional to 8,175.75, 11,278.56 and 5,344.05

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Solution

The fourth proportional to 8,175.75, 11,278.56 and 5,344.05 is: 7,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.75 : 11,278.56 = 5,344.05 : x
  2. Step 2: Convert to fraction form
    8,175.75/11,278.56 = 5,344.05/x
  3. Step 3: Cross multiply
    8,175.75x = 11,278.56 × 5,344.05
  4. Step 4: Simplify right side
    8,175.75x = 60,273,188.57
  5. Step 5: Solve for x
    x = 60,273,188.57/8,175.75
  6. Step 6: Final answer
    x = 7,372.19

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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.