Home / 8,408.27-11,599.62-5,716.19

Finding the Fourth Proportional to 8,408.27, 11,599.62 and 5,716.19

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Solution

The fourth proportional to 8,408.27, 11,599.62 and 5,716.19 is: 7,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.27 : 11,599.62 = 5,716.19 : x
  2. Step 2: Convert to fraction form
    8,408.27/11,599.62 = 5,716.19/x
  3. Step 3: Cross multiply
    8,408.27x = 11,599.62 × 5,716.19
  4. Step 4: Simplify right side
    8,408.27x = 66,305,631.85
  5. Step 5: Solve for x
    x = 66,305,631.85/8,408.27
  6. Step 6: Final answer
    x = 7,885.76

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Half scale
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Double 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.