Home / 6,021.28-9,028.68-2,122.80

Finding the Fourth Proportional to 6,021.28, 9,028.68 and 2,122.80

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Solution

The fourth proportional to 6,021.28, 9,028.68 and 2,122.80 is: 3,183.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.28 : 9,028.68 = 2,122.80 : x
  2. Step 2: Convert to fraction form
    6,021.28/9,028.68 = 2,122.80/x
  3. Step 3: Cross multiply
    6,021.28x = 9,028.68 × 2,122.80
  4. Step 4: Simplify right side
    6,021.28x = 19,166,081.90
  5. Step 5: Solve for x
    x = 19,166,081.90/6,021.28
  6. Step 6: Final answer
    x = 3,183.06

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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.