Home / 5,711.11-7,880.97-3,193.43

Finding the Fourth Proportional to 5,711.11, 7,880.97 and 3,193.43

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Solution

The fourth proportional to 5,711.11, 7,880.97 and 3,193.43 is: 4,406.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.11 : 7,880.97 = 3,193.43 : x
  2. Step 2: Convert to fraction form
    5,711.11/7,880.97 = 3,193.43/x
  3. Step 3: Cross multiply
    5,711.11x = 7,880.97 × 3,193.43
  4. Step 4: Simplify right side
    5,711.11x = 25,167,333.95
  5. Step 5: Solve for x
    x = 25,167,333.95/5,711.11
  6. Step 6: Final answer
    x = 4,406.73

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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.