Home / 7,974.45-11,961.83-3,471.05

Finding the Fourth Proportional to 7,974.45, 11,961.83 and 3,471.05

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Solution

The fourth proportional to 7,974.45, 11,961.83 and 3,471.05 is: 5,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.45 : 11,961.83 = 3,471.05 : x
  2. Step 2: Convert to fraction form
    7,974.45/11,961.83 = 3,471.05/x
  3. Step 3: Cross multiply
    7,974.45x = 11,961.83 × 3,471.05
  4. Step 4: Simplify right side
    7,974.45x = 41,520,122.57
  5. Step 5: Solve for x
    x = 41,520,122.57/7,974.45
  6. Step 6: Final answer
    x = 5,206.64

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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.