Home / 8,049.65-11,108.70-4,512.78

Finding the Fourth Proportional to 8,049.65, 11,108.70 and 4,512.78

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Solution

The fourth proportional to 8,049.65, 11,108.70 and 4,512.78 is: 6,227.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.65 : 11,108.70 = 4,512.78 : x
  2. Step 2: Convert to fraction form
    8,049.65/11,108.70 = 4,512.78/x
  3. Step 3: Cross multiply
    8,049.65x = 11,108.70 × 4,512.78
  4. Step 4: Simplify right side
    8,049.65x = 50,131,119.19
  5. Step 5: Solve for x
    x = 50,131,119.19/8,049.65
  6. Step 6: Final answer
    x = 6,227.74

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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.