Home / 8,447.06-12,661.83-3,181.04

Finding the Fourth Proportional to 8,447.06, 12,661.83 and 3,181.04

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Solution

The fourth proportional to 8,447.06, 12,661.83 and 3,181.04 is: 4,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.06 : 12,661.83 = 3,181.04 : x
  2. Step 2: Convert to fraction form
    8,447.06/12,661.83 = 3,181.04/x
  3. Step 3: Cross multiply
    8,447.06x = 12,661.83 × 3,181.04
  4. Step 4: Simplify right side
    8,447.06x = 40,277,724.39
  5. Step 5: Solve for x
    x = 40,277,724.39/8,447.06
  6. Step 6: Final answer
    x = 4,768.26

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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.