Home / 4,111.82-6,166.98-1,338.08

Finding the Fourth Proportional to 4,111.82, 6,166.98 and 1,338.08

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Solution

The fourth proportional to 4,111.82, 6,166.98 and 1,338.08 is: 2,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.82 : 6,166.98 = 1,338.08 : x
  2. Step 2: Convert to fraction form
    4,111.82/6,166.98 = 1,338.08/x
  3. Step 3: Cross multiply
    4,111.82x = 6,166.98 × 1,338.08
  4. Step 4: Simplify right side
    4,111.82x = 8,251,912.60
  5. Step 5: Solve for x
    x = 8,251,912.60/4,111.82
  6. Step 6: Final answer
    x = 2,006.88

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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.