Home / 5,716.35-7,888.73-3,198.56

Finding the Fourth Proportional to 5,716.35, 7,888.73 and 3,198.56

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Solution

The fourth proportional to 5,716.35, 7,888.73 and 3,198.56 is: 4,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.35 : 7,888.73 = 3,198.56 : x
  2. Step 2: Convert to fraction form
    5,716.35/7,888.73 = 3,198.56/x
  3. Step 3: Cross multiply
    5,716.35x = 7,888.73 × 3,198.56
  4. Step 4: Simplify right side
    5,716.35x = 25,232,520.79
  5. Step 5: Solve for x
    x = 25,232,520.79/5,716.35
  6. Step 6: Final answer
    x = 4,414.10

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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.