Home / 5,181.13-7,149.96-2,823.27

Finding the Fourth Proportional to 5,181.13, 7,149.96 and 2,823.27

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Solution

The fourth proportional to 5,181.13, 7,149.96 and 2,823.27 is: 3,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.13 : 7,149.96 = 2,823.27 : x
  2. Step 2: Convert to fraction form
    5,181.13/7,149.96 = 2,823.27/x
  3. Step 3: Cross multiply
    5,181.13x = 7,149.96 × 2,823.27
  4. Step 4: Simplify right side
    5,181.13x = 20,186,217.70
  5. Step 5: Solve for x
    x = 20,186,217.70/5,181.13
  6. Step 6: Final answer
    x = 3,896.11

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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.