Home / 5,591.12-7,715.97-3,201.48

Finding the Fourth Proportional to 5,591.12, 7,715.97 and 3,201.48

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Solution

The fourth proportional to 5,591.12, 7,715.97 and 3,201.48 is: 4,418.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.12 : 7,715.97 = 3,201.48 : x
  2. Step 2: Convert to fraction form
    5,591.12/7,715.97 = 3,201.48/x
  3. Step 3: Cross multiply
    5,591.12x = 7,715.97 × 3,201.48
  4. Step 4: Simplify right side
    5,591.12x = 24,702,523.64
  5. Step 5: Solve for x
    x = 24,702,523.64/5,591.12
  6. Step 6: Final answer
    x = 4,418.17

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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.