Home / 8,028.20-12,042.36-2,481.53

Finding the Fourth Proportional to 8,028.20, 12,042.36 and 2,481.53

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Solution

The fourth proportional to 8,028.20, 12,042.36 and 2,481.53 is: 3,722.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.20 : 12,042.36 = 2,481.53 : x
  2. Step 2: Convert to fraction form
    8,028.20/12,042.36 = 2,481.53/x
  3. Step 3: Cross multiply
    8,028.20x = 12,042.36 × 2,481.53
  4. Step 4: Simplify right side
    8,028.20x = 29,883,417.40
  5. Step 5: Solve for x
    x = 29,883,417.40/8,028.20
  6. Step 6: Final answer
    x = 3,722.31

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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.