Home / 7,694.75-11,540.95-2,147.51

Finding the Fourth Proportional to 7,694.75, 11,540.95 and 2,147.51

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Solution

The fourth proportional to 7,694.75, 11,540.95 and 2,147.51 is: 3,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694.75 : 11,540.95 = 2,147.51 : x
  2. Step 2: Convert to fraction form
    7,694.75/11,540.95 = 2,147.51/x
  3. Step 3: Cross multiply
    7,694.75x = 11,540.95 × 2,147.51
  4. Step 4: Simplify right side
    7,694.75x = 24,784,305.53
  5. Step 5: Solve for x
    x = 24,784,305.53/7,694.75
  6. Step 6: Final answer
    x = 3,220.94

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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.