Home / 5,982.19-8,981.39-4,128.73

Finding the Fourth Proportional to 5,982.19, 8,981.39 and 4,128.73

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Solution

The fourth proportional to 5,982.19, 8,981.39 and 4,128.73 is: 6,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.19 : 8,981.39 = 4,128.73 : x
  2. Step 2: Convert to fraction form
    5,982.19/8,981.39 = 4,128.73/x
  3. Step 3: Cross multiply
    5,982.19x = 8,981.39 × 4,128.73
  4. Step 4: Simplify right side
    5,982.19x = 37,081,713.69
  5. Step 5: Solve for x
    x = 37,081,713.69/5,982.19
  6. Step 6: Final answer
    x = 6,198.69

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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.