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Finding the Fourth Proportional to 8,114.81, 11,198.45 and 4,388.81

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Solution

The fourth proportional to 8,114.81, 11,198.45 and 4,388.81 is: 6,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.81 : 11,198.45 = 4,388.81 : x
  2. Step 2: Convert to fraction form
    8,114.81/11,198.45 = 4,388.81/x
  3. Step 3: Cross multiply
    8,114.81x = 11,198.45 × 4,388.81
  4. Step 4: Simplify right side
    8,114.81x = 49,147,869.34
  5. Step 5: Solve for x
    x = 49,147,869.34/8,114.81
  6. Step 6: Final answer
    x = 6,056.56

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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.