Home / 5,716.76-7,889.06-3,198.83

Finding the Fourth Proportional to 5,716.76, 7,889.06 and 3,198.83

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Solution

The fourth proportional to 5,716.76, 7,889.06 and 3,198.83 is: 4,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.76 : 7,889.06 = 3,198.83 : x
  2. Step 2: Convert to fraction form
    5,716.76/7,889.06 = 3,198.83/x
  3. Step 3: Cross multiply
    5,716.76x = 7,889.06 × 3,198.83
  4. Step 4: Simplify right side
    5,716.76x = 25,235,745.81
  5. Step 5: Solve for x
    x = 25,235,745.81/5,716.76
  6. Step 6: Final answer
    x = 4,414.34

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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.