Home / 8,049.20-11,100.12-5,254.16

Finding the Fourth Proportional to 8,049.20, 11,100.12 and 5,254.16

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Solution

The fourth proportional to 8,049.20, 11,100.12 and 5,254.16 is: 7,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.20 : 11,100.12 = 5,254.16 : x
  2. Step 2: Convert to fraction form
    8,049.20/11,100.12 = 5,254.16/x
  3. Step 3: Cross multiply
    8,049.20x = 11,100.12 × 5,254.16
  4. Step 4: Simplify right side
    8,049.20x = 58,321,806.50
  5. Step 5: Solve for x
    x = 58,321,806.50/8,049.20
  6. Step 6: Final answer
    x = 7,245.66

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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.