Home / 8,399.26-12,601.05-3,205.54

Finding the Fourth Proportional to 8,399.26, 12,601.05 and 3,205.54

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Solution

The fourth proportional to 8,399.26, 12,601.05 and 3,205.54 is: 4,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.26 : 12,601.05 = 3,205.54 : x
  2. Step 2: Convert to fraction form
    8,399.26/12,601.05 = 3,205.54/x
  3. Step 3: Cross multiply
    8,399.26x = 12,601.05 × 3,205.54
  4. Step 4: Simplify right side
    8,399.26x = 40,393,169.82
  5. Step 5: Solve for x
    x = 40,393,169.82/8,399.26
  6. Step 6: Final answer
    x = 4,809.13

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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.