Home / 9,383.78-14,077.19-3,540.90

Finding the Fourth Proportional to 9,383.78, 14,077.19 and 3,540.90

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Solution

The fourth proportional to 9,383.78, 14,077.19 and 3,540.90 is: 5,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,383.78 : 14,077.19 = 3,540.90 : x
  2. Step 2: Convert to fraction form
    9,383.78/14,077.19 = 3,540.90/x
  3. Step 3: Cross multiply
    9,383.78x = 14,077.19 × 3,540.90
  4. Step 4: Simplify right side
    9,383.78x = 49,845,922.07
  5. Step 5: Solve for x
    x = 49,845,922.07/9,383.78
  6. Step 6: Final answer
    x = 5,311.92

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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.