Home / 7,175.33-10,758.59-2,787.66

Finding the Fourth Proportional to 7,175.33, 10,758.59 and 2,787.66

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Solution

The fourth proportional to 7,175.33, 10,758.59 and 2,787.66 is: 4,179.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175.33 : 10,758.59 = 2,787.66 : x
  2. Step 2: Convert to fraction form
    7,175.33/10,758.59 = 2,787.66/x
  3. Step 3: Cross multiply
    7,175.33x = 10,758.59 × 2,787.66
  4. Step 4: Simplify right side
    7,175.33x = 29,991,277.06
  5. Step 5: Solve for x
    x = 29,991,277.06/7,175.33
  6. Step 6: Final answer
    x = 4,179.78

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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.