Home / 4,811.92-6,640.68-2,716

Finding the Fourth Proportional to 4,811.92, 6,640.68 and 2,716

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Solution

The fourth proportional to 4,811.92, 6,640.68 and 2,716 is: 3,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.92 : 6,640.68 = 2,716 : x
  2. Step 2: Convert to fraction form
    4,811.92/6,640.68 = 2,716/x
  3. Step 3: Cross multiply
    4,811.92x = 6,640.68 × 2,716
  4. Step 4: Simplify right side
    4,811.92x = 18,036,086.88
  5. Step 5: Solve for x
    x = 18,036,086.88/4,811.92
  6. Step 6: Final answer
    x = 3,748.21

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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.