Home / 8,189.26-11,289.27-5,791.76

Finding the Fourth Proportional to 8,189.26, 11,289.27 and 5,791.76

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Solution

The fourth proportional to 8,189.26, 11,289.27 and 5,791.76 is: 7,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.26 : 11,289.27 = 5,791.76 : x
  2. Step 2: Convert to fraction form
    8,189.26/11,289.27 = 5,791.76/x
  3. Step 3: Cross multiply
    8,189.26x = 11,289.27 × 5,791.76
  4. Step 4: Simplify right side
    8,189.26x = 65,384,781.77
  5. Step 5: Solve for x
    x = 65,384,781.77/8,189.26
  6. Step 6: Final answer
    x = 7,984.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.