Home / 5,175.28-7,141.66-2,817.42

Finding the Fourth Proportional to 5,175.28, 7,141.66 and 2,817.42

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Solution

The fourth proportional to 5,175.28, 7,141.66 and 2,817.42 is: 3,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.28 : 7,141.66 = 2,817.42 : x
  2. Step 2: Convert to fraction form
    5,175.28/7,141.66 = 2,817.42/x
  3. Step 3: Cross multiply
    5,175.28x = 7,141.66 × 2,817.42
  4. Step 4: Simplify right side
    5,175.28x = 20,121,055.72
  5. Step 5: Solve for x
    x = 20,121,055.72/5,175.28
  6. Step 6: Final answer
    x = 3,887.92

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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.