Home / 5,136.11-7,704.37-2,212.42

Finding the Fourth Proportional to 5,136.11, 7,704.37 and 2,212.42

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Solution

The fourth proportional to 5,136.11, 7,704.37 and 2,212.42 is: 3,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.11 : 7,704.37 = 2,212.42 : x
  2. Step 2: Convert to fraction form
    5,136.11/7,704.37 = 2,212.42/x
  3. Step 3: Cross multiply
    5,136.11x = 7,704.37 × 2,212.42
  4. Step 4: Simplify right side
    5,136.11x = 17,045,263.75
  5. Step 5: Solve for x
    x = 17,045,263.75/5,136.11
  6. Step 6: Final answer
    x = 3,318.71

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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.