Home / 7,947.96-11,925.30-3,997.14

Finding the Fourth Proportional to 7,947.96, 11,925.30 and 3,997.14

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Solution

The fourth proportional to 7,947.96, 11,925.30 and 3,997.14 is: 5,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.96 : 11,925.30 = 3,997.14 : x
  2. Step 2: Convert to fraction form
    7,947.96/11,925.30 = 3,997.14/x
  3. Step 3: Cross multiply
    7,947.96x = 11,925.30 × 3,997.14
  4. Step 4: Simplify right side
    7,947.96x = 47,667,093.64
  5. Step 5: Solve for x
    x = 47,667,093.64/7,947.96
  6. Step 6: Final answer
    x = 5,997.40

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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.