Home / 22,120.84-33,180.85-5,480.91

Finding the Fourth Proportional to 22,120.84, 33,180.85 and 5,480.91

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Solution

The fourth proportional to 22,120.84, 33,180.85 and 5,480.91 is: 8,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.84 : 33,180.85 = 5,480.91 : x
  2. Step 2: Convert to fraction form
    22,120.84/33,180.85 = 5,480.91/x
  3. Step 3: Cross multiply
    22,120.84x = 33,180.85 × 5,480.91
  4. Step 4: Simplify right side
    22,120.84x = 181,861,238.87
  5. Step 5: Solve for x
    x = 181,861,238.87/22,120.84
  6. Step 6: Final answer
    x = 8,221.26

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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.