Home / 5,423.27-8,134.90-2,831.27

Finding the Fourth Proportional to 5,423.27, 8,134.90 and 2,831.27

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Solution

The fourth proportional to 5,423.27, 8,134.90 and 2,831.27 is: 4,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.27 : 8,134.90 = 2,831.27 : x
  2. Step 2: Convert to fraction form
    5,423.27/8,134.90 = 2,831.27/x
  3. Step 3: Cross multiply
    5,423.27x = 8,134.90 × 2,831.27
  4. Step 4: Simplify right side
    5,423.27x = 23,032,050.57
  5. Step 5: Solve for x
    x = 23,032,050.57/5,423.27
  6. Step 6: Final answer
    x = 4,246.90

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1.5x scale

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.