Home / 5,110.24-7,667.79-2,919.59

Finding the Fourth Proportional to 5,110.24, 7,667.79 and 2,919.59

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Solution

The fourth proportional to 5,110.24, 7,667.79 and 2,919.59 is: 4,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.24 : 7,667.79 = 2,919.59 : x
  2. Step 2: Convert to fraction form
    5,110.24/7,667.79 = 2,919.59/x
  3. Step 3: Cross multiply
    5,110.24x = 7,667.79 × 2,919.59
  4. Step 4: Simplify right side
    5,110.24x = 22,386,822.18
  5. Step 5: Solve for x
    x = 22,386,822.18/5,110.24
  6. Step 6: Final answer
    x = 4,380.78

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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.