Home / 8,081.07-12,121.61-2,237.73

Finding the Fourth Proportional to 8,081.07, 12,121.61 and 2,237.73

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Solution

The fourth proportional to 8,081.07, 12,121.61 and 2,237.73 is: 3,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.07 : 12,121.61 = 2,237.73 : x
  2. Step 2: Convert to fraction form
    8,081.07/12,121.61 = 2,237.73/x
  3. Step 3: Cross multiply
    8,081.07x = 12,121.61 × 2,237.73
  4. Step 4: Simplify right side
    8,081.07x = 27,124,879.16
  5. Step 5: Solve for x
    x = 27,124,879.16/8,081.07
  6. Step 6: Final answer
    x = 3,356.60

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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.