Home / 8,131.92-11,222.27-4,546.78

Finding the Fourth Proportional to 8,131.92, 11,222.27 and 4,546.78

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Solution

The fourth proportional to 8,131.92, 11,222.27 and 4,546.78 is: 6,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.92 : 11,222.27 = 4,546.78 : x
  2. Step 2: Convert to fraction form
    8,131.92/11,222.27 = 4,546.78/x
  3. Step 3: Cross multiply
    8,131.92x = 11,222.27 × 4,546.78
  4. Step 4: Simplify right side
    8,131.92x = 51,025,192.79
  5. Step 5: Solve for x
    x = 51,025,192.79/8,131.92
  6. Step 6: Final answer
    x = 6,274.68

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1.5x scale

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.