Home / 4,197.30-5,786.73-3,489.72

Finding the Fourth Proportional to 4,197.30, 5,786.73 and 3,489.72

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Solution

The fourth proportional to 4,197.30, 5,786.73 and 3,489.72 is: 4,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.30 : 5,786.73 = 3,489.72 : x
  2. Step 2: Convert to fraction form
    4,197.30/5,786.73 = 3,489.72/x
  3. Step 3: Cross multiply
    4,197.30x = 5,786.73 × 3,489.72
  4. Step 4: Simplify right side
    4,197.30x = 20,194,067.42
  5. Step 5: Solve for x
    x = 20,194,067.42/4,197.30
  6. Step 6: Final answer
    x = 4,811.20

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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.