Home / 5,346.28-8,015.10-2,747.80

Finding the Fourth Proportional to 5,346.28, 8,015.10 and 2,747.80

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Solution

The fourth proportional to 5,346.28, 8,015.10 and 2,747.80 is: 4,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.28 : 8,015.10 = 2,747.80 : x
  2. Step 2: Convert to fraction form
    5,346.28/8,015.10 = 2,747.80/x
  3. Step 3: Cross multiply
    5,346.28x = 8,015.10 × 2,747.80
  4. Step 4: Simplify right side
    5,346.28x = 22,023,891.78
  5. Step 5: Solve for x
    x = 22,023,891.78/5,346.28
  6. Step 6: Final answer
    x = 4,119.48

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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.