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Finding the Fourth Proportional to 8,481.93, 11,700.16 and 5,289.68

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Solution

The fourth proportional to 8,481.93, 11,700.16 and 5,289.68 is: 7,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.93 : 11,700.16 = 5,289.68 : x
  2. Step 2: Convert to fraction form
    8,481.93/11,700.16 = 5,289.68/x
  3. Step 3: Cross multiply
    8,481.93x = 11,700.16 × 5,289.68
  4. Step 4: Simplify right side
    8,481.93x = 61,890,172.02
  5. Step 5: Solve for x
    x = 61,890,172.02/8,481.93
  6. Step 6: Final answer
    x = 7,296.71

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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.