Home / 4,135.21-6,199.84-1,942.72

Finding the Fourth Proportional to 4,135.21, 6,199.84 and 1,942.72

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Solution

The fourth proportional to 4,135.21, 6,199.84 and 1,942.72 is: 2,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.21 : 6,199.84 = 1,942.72 : x
  2. Step 2: Convert to fraction form
    4,135.21/6,199.84 = 1,942.72/x
  3. Step 3: Cross multiply
    4,135.21x = 6,199.84 × 1,942.72
  4. Step 4: Simplify right side
    4,135.21x = 12,044,553.16
  5. Step 5: Solve for x
    x = 12,044,553.16/4,135.21
  6. Step 6: Final answer
    x = 2,912.68

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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.