Home / 8,512.23-12,768.33-6,791.79

Finding the Fourth Proportional to 8,512.23, 12,768.33 and 6,791.79

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Solution

The fourth proportional to 8,512.23, 12,768.33 and 6,791.79 is: 10,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.23 : 12,768.33 = 6,791.79 : x
  2. Step 2: Convert to fraction form
    8,512.23/12,768.33 = 6,791.79/x
  3. Step 3: Cross multiply
    8,512.23x = 12,768.33 × 6,791.79
  4. Step 4: Simplify right side
    8,512.23x = 86,719,816.01
  5. Step 5: Solve for x
    x = 86,719,816.01/8,512.23
  6. Step 6: Final answer
    x = 10,187.67

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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.