Home / 9,028.52-13,542.96-2,788.54

Finding the Fourth Proportional to 9,028.52, 13,542.96 and 2,788.54

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Solution

The fourth proportional to 9,028.52, 13,542.96 and 2,788.54 is: 4,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.52 : 13,542.96 = 2,788.54 : x
  2. Step 2: Convert to fraction form
    9,028.52/13,542.96 = 2,788.54/x
  3. Step 3: Cross multiply
    9,028.52x = 13,542.96 × 2,788.54
  4. Step 4: Simplify right side
    9,028.52x = 37,765,085.68
  5. Step 5: Solve for x
    x = 37,765,085.68/9,028.52
  6. Step 6: Final answer
    x = 4,182.87

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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.