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Finding the Fourth Proportional to 8,019.56, 12,019.82 and 3,338.58

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Solution

The fourth proportional to 8,019.56, 12,019.82 and 3,338.58 is: 5,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.56 : 12,019.82 = 3,338.58 : x
  2. Step 2: Convert to fraction form
    8,019.56/12,019.82 = 3,338.58/x
  3. Step 3: Cross multiply
    8,019.56x = 12,019.82 × 3,338.58
  4. Step 4: Simplify right side
    8,019.56x = 40,129,130.66
  5. Step 5: Solve for x
    x = 40,129,130.66/8,019.56
  6. Step 6: Final answer
    x = 5,003.91

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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.