Home / 6,821.52-10,227.85-2,661.95

Finding the Fourth Proportional to 6,821.52, 10,227.85 and 2,661.95

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Solution

The fourth proportional to 6,821.52, 10,227.85 and 2,661.95 is: 3,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.52 : 10,227.85 = 2,661.95 : x
  2. Step 2: Convert to fraction form
    6,821.52/10,227.85 = 2,661.95/x
  3. Step 3: Cross multiply
    6,821.52x = 10,227.85 × 2,661.95
  4. Step 4: Simplify right side
    6,821.52x = 27,225,974.17
  5. Step 5: Solve for x
    x = 27,225,974.17/6,821.52
  6. Step 6: Final answer
    x = 3,991.19

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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.