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Finding the Fourth Proportional to 6,873.67, 9,485.68 and 3,729.86

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Solution

The fourth proportional to 6,873.67, 9,485.68 and 3,729.86 is: 5,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.67 : 9,485.68 = 3,729.86 : x
  2. Step 2: Convert to fraction form
    6,873.67/9,485.68 = 3,729.86/x
  3. Step 3: Cross multiply
    6,873.67x = 9,485.68 × 3,729.86
  4. Step 4: Simplify right side
    6,873.67x = 35,380,201.65
  5. Step 5: Solve for x
    x = 35,380,201.65/6,873.67
  6. Step 6: Final answer
    x = 5,147.21

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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.