Home / 9,180.27-13,771.30-2,938.71

Finding the Fourth Proportional to 9,180.27, 13,771.30 and 2,938.71

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Solution

The fourth proportional to 9,180.27, 13,771.30 and 2,938.71 is: 4,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.27 : 13,771.30 = 2,938.71 : x
  2. Step 2: Convert to fraction form
    9,180.27/13,771.30 = 2,938.71/x
  3. Step 3: Cross multiply
    9,180.27x = 13,771.30 × 2,938.71
  4. Step 4: Simplify right side
    9,180.27x = 40,469,857.02
  5. Step 5: Solve for x
    x = 40,469,857.02/9,180.27
  6. Step 6: Final answer
    x = 4,408.35

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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.