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Finding the Fourth Proportional to 8,093.66, 12,141.80 and 3,933.90

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Solution

The fourth proportional to 8,093.66, 12,141.80 and 3,933.90 is: 5,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.66 : 12,141.80 = 3,933.90 : x
  2. Step 2: Convert to fraction form
    8,093.66/12,141.80 = 3,933.90/x
  3. Step 3: Cross multiply
    8,093.66x = 12,141.80 × 3,933.90
  4. Step 4: Simplify right side
    8,093.66x = 47,764,607.35
  5. Step 5: Solve for x
    x = 47,764,607.35/8,093.66
  6. Step 6: Final answer
    x = 5,901.49

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1.5x scale

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.