Home / 4,221.54-5,816.97-3,589.86

Finding the Fourth Proportional to 4,221.54, 5,816.97 and 3,589.86

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Solution

The fourth proportional to 4,221.54, 5,816.97 and 3,589.86 is: 4,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.54 : 5,816.97 = 3,589.86 : x
  2. Step 2: Convert to fraction form
    4,221.54/5,816.97 = 3,589.86/x
  3. Step 3: Cross multiply
    4,221.54x = 5,816.97 × 3,589.86
  4. Step 4: Simplify right side
    4,221.54x = 20,882,107.92
  5. Step 5: Solve for x
    x = 20,882,107.92/4,221.54
  6. Step 6: Final answer
    x = 4,946.56

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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.