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Finding the Fourth Proportional to 8,794.09, 12,135.75 and 4,815.16

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Solution

The fourth proportional to 8,794.09, 12,135.75 and 4,815.16 is: 6,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.09 : 12,135.75 = 4,815.16 : x
  2. Step 2: Convert to fraction form
    8,794.09/12,135.75 = 4,815.16/x
  3. Step 3: Cross multiply
    8,794.09x = 12,135.75 × 4,815.16
  4. Step 4: Simplify right side
    8,794.09x = 58,435,577.97
  5. Step 5: Solve for x
    x = 58,435,577.97/8,794.09
  6. Step 6: Final answer
    x = 6,644.87

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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.