Home / 4,021.79-6,028.97-2,789.78

Finding the Fourth Proportional to 4,021.79, 6,028.97 and 2,789.78

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Solution

The fourth proportional to 4,021.79, 6,028.97 and 2,789.78 is: 4,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.79 : 6,028.97 = 2,789.78 : x
  2. Step 2: Convert to fraction form
    4,021.79/6,028.97 = 2,789.78/x
  3. Step 3: Cross multiply
    4,021.79x = 6,028.97 × 2,789.78
  4. Step 4: Simplify right side
    4,021.79x = 16,819,455.83
  5. Step 5: Solve for x
    x = 16,819,455.83/4,021.79
  6. Step 6: Final answer
    x = 4,182.09

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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.