Home / 5,831.27-8,743.40-2,321.72

Finding the Fourth Proportional to 5,831.27, 8,743.40 and 2,321.72

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Solution

The fourth proportional to 5,831.27, 8,743.40 and 2,321.72 is: 3,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.27 : 8,743.40 = 2,321.72 : x
  2. Step 2: Convert to fraction form
    5,831.27/8,743.40 = 2,321.72/x
  3. Step 3: Cross multiply
    5,831.27x = 8,743.40 × 2,321.72
  4. Step 4: Simplify right side
    5,831.27x = 20,299,715.04
  5. Step 5: Solve for x
    x = 20,299,715.04/5,831.27
  6. Step 6: Final answer
    x = 3,481.18

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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.