Home / 7,901.44-11,843.84-2,635.04

Finding the Fourth Proportional to 7,901.44, 11,843.84 and 2,635.04

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Solution

The fourth proportional to 7,901.44, 11,843.84 and 2,635.04 is: 3,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.44 : 11,843.84 = 2,635.04 : x
  2. Step 2: Convert to fraction form
    7,901.44/11,843.84 = 2,635.04/x
  3. Step 3: Cross multiply
    7,901.44x = 11,843.84 × 2,635.04
  4. Step 4: Simplify right side
    7,901.44x = 31,208,992.15
  5. Step 5: Solve for x
    x = 31,208,992.15/7,901.44
  6. Step 6: Final answer
    x = 3,949.79

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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.