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Finding the Fourth Proportional to 8,305.70, 12,458.55 and 5,233.70

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Solution

The fourth proportional to 8,305.70, 12,458.55 and 5,233.70 is: 7,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.70 : 12,458.55 = 5,233.70 : x
  2. Step 2: Convert to fraction form
    8,305.70/12,458.55 = 5,233.70/x
  3. Step 3: Cross multiply
    8,305.70x = 12,458.55 × 5,233.70
  4. Step 4: Simplify right side
    8,305.70x = 65,204,313.14
  5. Step 5: Solve for x
    x = 65,204,313.14/8,305.70
  6. Step 6: Final answer
    x = 7,850.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.