Home / 4,640.78-6,954.94-2,667.32

Finding the Fourth Proportional to 4,640.78, 6,954.94 and 2,667.32

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Solution

The fourth proportional to 4,640.78, 6,954.94 and 2,667.32 is: 3,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.78 : 6,954.94 = 2,667.32 : x
  2. Step 2: Convert to fraction form
    4,640.78/6,954.94 = 2,667.32/x
  3. Step 3: Cross multiply
    4,640.78x = 6,954.94 × 2,667.32
  4. Step 4: Simplify right side
    4,640.78x = 18,551,050.56
  5. Step 5: Solve for x
    x = 18,551,050.56/4,640.78
  6. Step 6: Final answer
    x = 3,997.40

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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.