Home / 5,466.31-8,198.97-2,178.52

Finding the Fourth Proportional to 5,466.31, 8,198.97 and 2,178.52

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Solution

The fourth proportional to 5,466.31, 8,198.97 and 2,178.52 is: 3,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.31 : 8,198.97 = 2,178.52 : x
  2. Step 2: Convert to fraction form
    5,466.31/8,198.97 = 2,178.52/x
  3. Step 3: Cross multiply
    5,466.31x = 8,198.97 × 2,178.52
  4. Step 4: Simplify right side
    5,466.31x = 17,861,620.12
  5. Step 5: Solve for x
    x = 17,861,620.12/5,466.31
  6. Step 6: Final answer
    x = 3,267.58

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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.