Home / 4,091.06-6,135.78-1,900.82

Finding the Fourth Proportional to 4,091.06, 6,135.78 and 1,900.82

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Solution

The fourth proportional to 4,091.06, 6,135.78 and 1,900.82 is: 2,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.06 : 6,135.78 = 1,900.82 : x
  2. Step 2: Convert to fraction form
    4,091.06/6,135.78 = 1,900.82/x
  3. Step 3: Cross multiply
    4,091.06x = 6,135.78 × 1,900.82
  4. Step 4: Simplify right side
    4,091.06x = 11,663,013.34
  5. Step 5: Solve for x
    x = 11,663,013.34/4,091.06
  6. Step 6: Final answer
    x = 2,850.85

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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.