Home / 8,108.84-11,187.78-4,961.96

Finding the Fourth Proportional to 8,108.84, 11,187.78 and 4,961.96

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Solution

The fourth proportional to 8,108.84, 11,187.78 and 4,961.96 is: 6,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.84 : 11,187.78 = 4,961.96 : x
  2. Step 2: Convert to fraction form
    8,108.84/11,187.78 = 4,961.96/x
  3. Step 3: Cross multiply
    8,108.84x = 11,187.78 × 4,961.96
  4. Step 4: Simplify right side
    8,108.84x = 55,513,316.85
  5. Step 5: Solve for x
    x = 55,513,316.85/8,108.84
  6. Step 6: Final answer
    x = 6,846.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.