Home / 5,400.56-8,105.84-2,769.95

Finding the Fourth Proportional to 5,400.56, 8,105.84 and 2,769.95

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Solution

The fourth proportional to 5,400.56, 8,105.84 and 2,769.95 is: 4,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.56 : 8,105.84 = 2,769.95 : x
  2. Step 2: Convert to fraction form
    5,400.56/8,105.84 = 2,769.95/x
  3. Step 3: Cross multiply
    5,400.56x = 8,105.84 × 2,769.95
  4. Step 4: Simplify right side
    5,400.56x = 22,452,717.13
  5. Step 5: Solve for x
    x = 22,452,717.13/5,400.56
  6. Step 6: Final answer
    x = 4,157.48

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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.