Home / 9,137.07-13,704.35-3,942.27

Finding the Fourth Proportional to 9,137.07, 13,704.35 and 3,942.27

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Solution

The fourth proportional to 9,137.07, 13,704.35 and 3,942.27 is: 5,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.07 : 13,704.35 = 3,942.27 : x
  2. Step 2: Convert to fraction form
    9,137.07/13,704.35 = 3,942.27/x
  3. Step 3: Cross multiply
    9,137.07x = 13,704.35 × 3,942.27
  4. Step 4: Simplify right side
    9,137.07x = 54,026,228.16
  5. Step 5: Solve for x
    x = 54,026,228.16/9,137.07
  6. Step 6: Final answer
    x = 5,912.86

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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.