Home / 7,989.33-11,975.90-3,823.23

Finding the Fourth Proportional to 7,989.33, 11,975.90 and 3,823.23

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Solution

The fourth proportional to 7,989.33, 11,975.90 and 3,823.23 is: 5,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989.33 : 11,975.90 = 3,823.23 : x
  2. Step 2: Convert to fraction form
    7,989.33/11,975.90 = 3,823.23/x
  3. Step 3: Cross multiply
    7,989.33x = 11,975.90 × 3,823.23
  4. Step 4: Simplify right side
    7,989.33x = 45,786,620.16
  5. Step 5: Solve for x
    x = 45,786,620.16/7,989.33
  6. Step 6: Final answer
    x = 5,730.97

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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.