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Finding the Fourth Proportional to 8,585.43, 12,884.75 and 3,843.06

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Solution

The fourth proportional to 8,585.43, 12,884.75 and 3,843.06 is: 5,767.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.43 : 12,884.75 = 3,843.06 : x
  2. Step 2: Convert to fraction form
    8,585.43/12,884.75 = 3,843.06/x
  3. Step 3: Cross multiply
    8,585.43x = 12,884.75 × 3,843.06
  4. Step 4: Simplify right side
    8,585.43x = 49,516,848.12
  5. Step 5: Solve for x
    x = 49,516,848.12/8,585.43
  6. Step 6: Final answer
    x = 5,767.54

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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.