Home / 8,236.82-12,355.83-2,974.95

Finding the Fourth Proportional to 8,236.82, 12,355.83 and 2,974.95

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Solution

The fourth proportional to 8,236.82, 12,355.83 and 2,974.95 is: 4,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.82 : 12,355.83 = 2,974.95 : x
  2. Step 2: Convert to fraction form
    8,236.82/12,355.83 = 2,974.95/x
  3. Step 3: Cross multiply
    8,236.82x = 12,355.83 × 2,974.95
  4. Step 4: Simplify right side
    8,236.82x = 36,757,976.46
  5. Step 5: Solve for x
    x = 36,757,976.46/8,236.82
  6. Step 6: Final answer
    x = 4,462.64

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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.