Home / 8,286.78-12,435.04-3,093.06

Finding the Fourth Proportional to 8,286.78, 12,435.04 and 3,093.06

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Solution

The fourth proportional to 8,286.78, 12,435.04 and 3,093.06 is: 4,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.78 : 12,435.04 = 3,093.06 : x
  2. Step 2: Convert to fraction form
    8,286.78/12,435.04 = 3,093.06/x
  3. Step 3: Cross multiply
    8,286.78x = 12,435.04 × 3,093.06
  4. Step 4: Simplify right side
    8,286.78x = 38,462,324.82
  5. Step 5: Solve for x
    x = 38,462,324.82/8,286.78
  6. Step 6: Final answer
    x = 4,641.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.