Home / 7,896.21-11,843.04-2,634.90

Finding the Fourth Proportional to 7,896.21, 11,843.04 and 2,634.90

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Solution

The fourth proportional to 7,896.21, 11,843.04 and 2,634.90 is: 3,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.21 : 11,843.04 = 2,634.90 : x
  2. Step 2: Convert to fraction form
    7,896.21/11,843.04 = 2,634.90/x
  3. Step 3: Cross multiply
    7,896.21x = 11,843.04 × 2,634.90
  4. Step 4: Simplify right side
    7,896.21x = 31,205,226.10
  5. Step 5: Solve for x
    x = 31,205,226.10/7,896.21
  6. Step 6: Final answer
    x = 3,951.92

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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.