Home / 7,221.52-10,832.97-2,837.95

Finding the Fourth Proportional to 7,221.52, 10,832.97 and 2,837.95

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Solution

The fourth proportional to 7,221.52, 10,832.97 and 2,837.95 is: 4,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.52 : 10,832.97 = 2,837.95 : x
  2. Step 2: Convert to fraction form
    7,221.52/10,832.97 = 2,837.95/x
  3. Step 3: Cross multiply
    7,221.52x = 10,832.97 × 2,837.95
  4. Step 4: Simplify right side
    7,221.52x = 30,743,471.71
  5. Step 5: Solve for x
    x = 30,743,471.71/7,221.52
  6. Step 6: Final answer
    x = 4,257.20

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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.