Home / 8,728.65-13,067.25-5,761.62

Finding the Fourth Proportional to 8,728.65, 13,067.25 and 5,761.62

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Solution

The fourth proportional to 8,728.65, 13,067.25 and 5,761.62 is: 8,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.65 : 13,067.25 = 5,761.62 : x
  2. Step 2: Convert to fraction form
    8,728.65/13,067.25 = 5,761.62/x
  3. Step 3: Cross multiply
    8,728.65x = 13,067.25 × 5,761.62
  4. Step 4: Simplify right side
    8,728.65x = 75,288,528.95
  5. Step 5: Solve for x
    x = 75,288,528.95/8,728.65
  6. Step 6: Final answer
    x = 8,625.45

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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.