Home / 8,311.26-11,469.56-5,327.09

Finding the Fourth Proportional to 8,311.26, 11,469.56 and 5,327.09

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Solution

The fourth proportional to 8,311.26, 11,469.56 and 5,327.09 is: 7,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.26 : 11,469.56 = 5,327.09 : x
  2. Step 2: Convert to fraction form
    8,311.26/11,469.56 = 5,327.09/x
  3. Step 3: Cross multiply
    8,311.26x = 11,469.56 × 5,327.09
  4. Step 4: Simplify right side
    8,311.26x = 61,099,294.40
  5. Step 5: Solve for x
    x = 61,099,294.40/8,311.26
  6. Step 6: Final answer
    x = 7,351.39

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Half scale
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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.