Home / 8,960.94-13,444.70-3,119.22

Finding the Fourth Proportional to 8,960.94, 13,444.70 and 3,119.22

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Solution

The fourth proportional to 8,960.94, 13,444.70 and 3,119.22 is: 4,679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.94 : 13,444.70 = 3,119.22 : x
  2. Step 2: Convert to fraction form
    8,960.94/13,444.70 = 3,119.22/x
  3. Step 3: Cross multiply
    8,960.94x = 13,444.70 × 3,119.22
  4. Step 4: Simplify right side
    8,960.94x = 41,936,961.54
  5. Step 5: Solve for x
    x = 41,936,961.54/8,960.94
  6. Step 6: Final answer
    x = 4,679.97

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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.