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Finding the Fourth Proportional to 8,165.67, 11,268.81 and 4,439.67

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Solution

The fourth proportional to 8,165.67, 11,268.81 and 4,439.67 is: 6,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.67 : 11,268.81 = 4,439.67 : x
  2. Step 2: Convert to fraction form
    8,165.67/11,268.81 = 4,439.67/x
  3. Step 3: Cross multiply
    8,165.67x = 11,268.81 × 4,439.67
  4. Step 4: Simplify right side
    8,165.67x = 50,029,797.69
  5. Step 5: Solve for x
    x = 50,029,797.69/8,165.67
  6. Step 6: Final answer
    x = 6,126.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.