Home / 5,326.72-7,993.30-2,206.80

Finding the Fourth Proportional to 5,326.72, 7,993.30 and 2,206.80

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Solution

The fourth proportional to 5,326.72, 7,993.30 and 2,206.80 is: 3,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.72 : 7,993.30 = 2,206.80 : x
  2. Step 2: Convert to fraction form
    5,326.72/7,993.30 = 2,206.80/x
  3. Step 3: Cross multiply
    5,326.72x = 7,993.30 × 2,206.80
  4. Step 4: Simplify right side
    5,326.72x = 17,639,614.44
  5. Step 5: Solve for x
    x = 17,639,614.44/5,326.72
  6. Step 6: Final answer
    x = 3,311.53

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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.