Home / 8,028.24-12,042.36-3,408

Finding the Fourth Proportional to 8,028.24, 12,042.36 and 3,408

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Solution

The fourth proportional to 8,028.24, 12,042.36 and 3,408 is: 5,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,028.24 : 12,042.36 = 3,408 : x
  2. Step 2: Convert to fraction form
    8,028.24/12,042.36 = 3,408/x
  3. Step 3: Cross multiply
    8,028.24x = 12,042.36 × 3,408
  4. Step 4: Simplify right side
    8,028.24x = 41,040,362.88
  5. Step 5: Solve for x
    x = 41,040,362.88/8,028.24
  6. Step 6: Final answer
    x = 5,112.00

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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.