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Finding the Fourth Proportional to 5,195.11, 7,169.29 and 2,837.31

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Solution

The fourth proportional to 5,195.11, 7,169.29 and 2,837.31 is: 3,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.11 : 7,169.29 = 2,837.31 : x
  2. Step 2: Convert to fraction form
    5,195.11/7,169.29 = 2,837.31/x
  3. Step 3: Cross multiply
    5,195.11x = 7,169.29 × 2,837.31
  4. Step 4: Simplify right side
    5,195.11x = 20,341,498.21
  5. Step 5: Solve for x
    x = 20,341,498.21/5,195.11
  6. Step 6: Final answer
    x = 3,915.51

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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.