Home / 9,119.40-13,679.10-3,273.90

Finding the Fourth Proportional to 9,119.40, 13,679.10 and 3,273.90

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Solution

The fourth proportional to 9,119.40, 13,679.10 and 3,273.90 is: 4,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.40 : 13,679.10 = 3,273.90 : x
  2. Step 2: Convert to fraction form
    9,119.40/13,679.10 = 3,273.90/x
  3. Step 3: Cross multiply
    9,119.40x = 13,679.10 × 3,273.90
  4. Step 4: Simplify right side
    9,119.40x = 44,784,005.49
  5. Step 5: Solve for x
    x = 44,784,005.49/9,119.40
  6. Step 6: Final answer
    x = 4,910.85

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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.