Home / 7,081.41-10,623.33-2,151.54

Finding the Fourth Proportional to 7,081.41, 10,623.33 and 2,151.54

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Solution

The fourth proportional to 7,081.41, 10,623.33 and 2,151.54 is: 3,227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.41 : 10,623.33 = 2,151.54 : x
  2. Step 2: Convert to fraction form
    7,081.41/10,623.33 = 2,151.54/x
  3. Step 3: Cross multiply
    7,081.41x = 10,623.33 × 2,151.54
  4. Step 4: Simplify right side
    7,081.41x = 22,856,519.43
  5. Step 5: Solve for x
    x = 22,856,519.43/7,081.41
  6. Step 6: Final answer
    x = 3,227.68

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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.