Home / 7,352.91-10,146.71-3,995.61

Finding the Fourth Proportional to 7,352.91, 10,146.71 and 3,995.61

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Solution

The fourth proportional to 7,352.91, 10,146.71 and 3,995.61 is: 5,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.91 : 10,146.71 = 3,995.61 : x
  2. Step 2: Convert to fraction form
    7,352.91/10,146.71 = 3,995.61/x
  3. Step 3: Cross multiply
    7,352.91x = 10,146.71 × 3,995.61
  4. Step 4: Simplify right side
    7,352.91x = 40,542,295.94
  5. Step 5: Solve for x
    x = 40,542,295.94/7,352.91
  6. Step 6: Final answer
    x = 5,513.78

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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.