Home / 8,134.45-12,201.89-2,291.02

Finding the Fourth Proportional to 8,134.45, 12,201.89 and 2,291.02

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Solution

The fourth proportional to 8,134.45, 12,201.89 and 2,291.02 is: 3,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.45 : 12,201.89 = 2,291.02 : x
  2. Step 2: Convert to fraction form
    8,134.45/12,201.89 = 2,291.02/x
  3. Step 3: Cross multiply
    8,134.45x = 12,201.89 × 2,291.02
  4. Step 4: Simplify right side
    8,134.45x = 27,954,774.03
  5. Step 5: Solve for x
    x = 27,954,774.03/8,134.45
  6. Step 6: Final answer
    x = 3,436.59

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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.