Home / 8,206.23-12,311.97-3,464.91

Finding the Fourth Proportional to 8,206.23, 12,311.97 and 3,464.91

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Solution

The fourth proportional to 8,206.23, 12,311.97 and 3,464.91 is: 5,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.23 : 12,311.97 = 3,464.91 : x
  2. Step 2: Convert to fraction form
    8,206.23/12,311.97 = 3,464.91/x
  3. Step 3: Cross multiply
    8,206.23x = 12,311.97 × 3,464.91
  4. Step 4: Simplify right side
    8,206.23x = 42,659,867.97
  5. Step 5: Solve for x
    x = 42,659,867.97/8,206.23
  6. Step 6: Final answer
    x = 5,198.47

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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.