Home / 7,183.64-10,781.22-3,721.88

Finding the Fourth Proportional to 7,183.64, 10,781.22 and 3,721.88

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Solution

The fourth proportional to 7,183.64, 10,781.22 and 3,721.88 is: 5,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.64 : 10,781.22 = 3,721.88 : x
  2. Step 2: Convert to fraction form
    7,183.64/10,781.22 = 3,721.88/x
  3. Step 3: Cross multiply
    7,183.64x = 10,781.22 × 3,721.88
  4. Step 4: Simplify right side
    7,183.64x = 40,126,407.09
  5. Step 5: Solve for x
    x = 40,126,407.09/7,183.64
  6. Step 6: Final answer
    x = 5,585.80

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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.