Home / 7,683.14-11,524.92-2,136.50

Finding the Fourth Proportional to 7,683.14, 11,524.92 and 2,136.50

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Solution

The fourth proportional to 7,683.14, 11,524.92 and 2,136.50 is: 3,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.14 : 11,524.92 = 2,136.50 : x
  2. Step 2: Convert to fraction form
    7,683.14/11,524.92 = 2,136.50/x
  3. Step 3: Cross multiply
    7,683.14x = 11,524.92 × 2,136.50
  4. Step 4: Simplify right side
    7,683.14x = 24,622,991.58
  5. Step 5: Solve for x
    x = 24,622,991.58/7,683.14
  6. Step 6: Final answer
    x = 3,204.81

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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.