Home / 8,091.29-12,137.24-2,825.28

Finding the Fourth Proportional to 8,091.29, 12,137.24 and 2,825.28

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Solution

The fourth proportional to 8,091.29, 12,137.24 and 2,825.28 is: 4,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.29 : 12,137.24 = 2,825.28 : x
  2. Step 2: Convert to fraction form
    8,091.29/12,137.24 = 2,825.28/x
  3. Step 3: Cross multiply
    8,091.29x = 12,137.24 × 2,825.28
  4. Step 4: Simplify right side
    8,091.29x = 34,291,108.49
  5. Step 5: Solve for x
    x = 34,291,108.49/8,091.29
  6. Step 6: Final answer
    x = 4,238.03

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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.