Home / 6,811.44-10,202.76-5,149.68

Finding the Fourth Proportional to 6,811.44, 10,202.76 and 5,149.68

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Solution

The fourth proportional to 6,811.44, 10,202.76 and 5,149.68 is: 7,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.44 : 10,202.76 = 5,149.68 : x
  2. Step 2: Convert to fraction form
    6,811.44/10,202.76 = 5,149.68/x
  3. Step 3: Cross multiply
    6,811.44x = 10,202.76 × 5,149.68
  4. Step 4: Simplify right side
    6,811.44x = 52,540,949.12
  5. Step 5: Solve for x
    x = 52,540,949.12/6,811.44
  6. Step 6: Final answer
    x = 7,713.63

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1.5x scale

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.