Home / 5,694.03-8,540.71-2,185.72

Finding the Fourth Proportional to 5,694.03, 8,540.71 and 2,185.72

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Solution

The fourth proportional to 5,694.03, 8,540.71 and 2,185.72 is: 3,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.03 : 8,540.71 = 2,185.72 : x
  2. Step 2: Convert to fraction form
    5,694.03/8,540.71 = 2,185.72/x
  3. Step 3: Cross multiply
    5,694.03x = 8,540.71 × 2,185.72
  4. Step 4: Simplify right side
    5,694.03x = 18,667,573.85
  5. Step 5: Solve for x
    x = 18,667,573.85/5,694.03
  6. Step 6: Final answer
    x = 3,278.45

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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.