Home / 4,781.76-7,170.03-2,183.28

Finding the Fourth Proportional to 4,781.76, 7,170.03 and 2,183.28

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Solution

The fourth proportional to 4,781.76, 7,170.03 and 2,183.28 is: 3,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.76 : 7,170.03 = 2,183.28 : x
  2. Step 2: Convert to fraction form
    4,781.76/7,170.03 = 2,183.28/x
  3. Step 3: Cross multiply
    4,781.76x = 7,170.03 × 2,183.28
  4. Step 4: Simplify right side
    4,781.76x = 15,654,183.10
  5. Step 5: Solve for x
    x = 15,654,183.10/4,781.76
  6. Step 6: Final answer
    x = 3,273.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.