Home / 5,591.80-8,371.26-3,920.11

Finding the Fourth Proportional to 5,591.80, 8,371.26 and 3,920.11

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Solution

The fourth proportional to 5,591.80, 8,371.26 and 3,920.11 is: 5,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.80 : 8,371.26 = 3,920.11 : x
  2. Step 2: Convert to fraction form
    5,591.80/8,371.26 = 3,920.11/x
  3. Step 3: Cross multiply
    5,591.80x = 8,371.26 × 3,920.11
  4. Step 4: Simplify right side
    5,591.80x = 32,816,260.04
  5. Step 5: Solve for x
    x = 32,816,260.04/5,591.80
  6. Step 6: Final answer
    x = 5,868.64

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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.