Home / 7,928.22-11,893.70-2,663.74

Finding the Fourth Proportional to 7,928.22, 11,893.70 and 2,663.74

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Solution

The fourth proportional to 7,928.22, 11,893.70 and 2,663.74 is: 3,996.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.22 : 11,893.70 = 2,663.74 : x
  2. Step 2: Convert to fraction form
    7,928.22/11,893.70 = 2,663.74/x
  3. Step 3: Cross multiply
    7,928.22x = 11,893.70 × 2,663.74
  4. Step 4: Simplify right side
    7,928.22x = 31,681,724.44
  5. Step 5: Solve for x
    x = 31,681,724.44/7,928.22
  6. Step 6: Final answer
    x = 3,996.07

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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.