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Finding the Fourth Proportional to 8,091.90, 11,166.30 and 4,554.90

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Solution

The fourth proportional to 8,091.90, 11,166.30 and 4,554.90 is: 6,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.90 : 11,166.30 = 4,554.90 : x
  2. Step 2: Convert to fraction form
    8,091.90/11,166.30 = 4,554.90/x
  3. Step 3: Cross multiply
    8,091.90x = 11,166.30 × 4,554.90
  4. Step 4: Simplify right side
    8,091.90x = 50,861,379.87
  5. Step 5: Solve for x
    x = 50,861,379.87/8,091.90
  6. Step 6: Final answer
    x = 6,285.47

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