Home / 5,217.33-7,826.45-1,321.73

Finding the Fourth Proportional to 5,217.33, 7,826.45 and 1,321.73

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Solution

The fourth proportional to 5,217.33, 7,826.45 and 1,321.73 is: 1,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.33 : 7,826.45 = 1,321.73 : x
  2. Step 2: Convert to fraction form
    5,217.33/7,826.45 = 1,321.73/x
  3. Step 3: Cross multiply
    5,217.33x = 7,826.45 × 1,321.73
  4. Step 4: Simplify right side
    5,217.33x = 10,344,485.11
  5. Step 5: Solve for x
    x = 10,344,485.11/5,217.33
  6. Step 6: Final answer
    x = 1,982.72

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1.5x scale

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.