Home / 5,195.12-7,169.30-2,837.31

Finding the Fourth Proportional to 5,195.12, 7,169.30 and 2,837.31

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Solution

The fourth proportional to 5,195.12, 7,169.30 and 2,837.31 is: 3,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.12 : 7,169.30 = 2,837.31 : x
  2. Step 2: Convert to fraction form
    5,195.12/7,169.30 = 2,837.31/x
  3. Step 3: Cross multiply
    5,195.12x = 7,169.30 × 2,837.31
  4. Step 4: Simplify right side
    5,195.12x = 20,341,512.40
  5. Step 5: Solve for x
    x = 20,341,512.40/5,195.12
  6. Step 6: Final answer
    x = 3,915.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.