Home / 8,717.20-13,067.88-3,519.52

Finding the Fourth Proportional to 8,717.20, 13,067.88 and 3,519.52

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Solution

The fourth proportional to 8,717.20, 13,067.88 and 3,519.52 is: 5,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.20 : 13,067.88 = 3,519.52 : x
  2. Step 2: Convert to fraction form
    8,717.20/13,067.88 = 3,519.52/x
  3. Step 3: Cross multiply
    8,717.20x = 13,067.88 × 3,519.52
  4. Step 4: Simplify right side
    8,717.20x = 45,992,665.02
  5. Step 5: Solve for x
    x = 45,992,665.02/8,717.20
  6. Step 6: Final answer
    x = 5,276.08

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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.