Home / 8,747.46-13,121.73-2,173.80

Finding the Fourth Proportional to 8,747.46, 13,121.73 and 2,173.80

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Solution

The fourth proportional to 8,747.46, 13,121.73 and 2,173.80 is: 3,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.46 : 13,121.73 = 2,173.80 : x
  2. Step 2: Convert to fraction form
    8,747.46/13,121.73 = 2,173.80/x
  3. Step 3: Cross multiply
    8,747.46x = 13,121.73 × 2,173.80
  4. Step 4: Simplify right side
    8,747.46x = 28,524,016.67
  5. Step 5: Solve for x
    x = 28,524,016.67/8,747.46
  6. Step 6: Final answer
    x = 3,260.83

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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.