Home / 7,382.57-11,067.12-3,685.91

Finding the Fourth Proportional to 7,382.57, 11,067.12 and 3,685.91

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Solution

The fourth proportional to 7,382.57, 11,067.12 and 3,685.91 is: 5,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.57 : 11,067.12 = 3,685.91 : x
  2. Step 2: Convert to fraction form
    7,382.57/11,067.12 = 3,685.91/x
  3. Step 3: Cross multiply
    7,382.57x = 11,067.12 × 3,685.91
  4. Step 4: Simplify right side
    7,382.57x = 40,792,352.94
  5. Step 5: Solve for x
    x = 40,792,352.94/7,382.57
  6. Step 6: Final answer
    x = 5,525.50

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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.