Home / 4,919.11-6,788.20-2,680.94

Finding the Fourth Proportional to 4,919.11, 6,788.20 and 2,680.94

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Solution

The fourth proportional to 4,919.11, 6,788.20 and 2,680.94 is: 3,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.11 : 6,788.20 = 2,680.94 : x
  2. Step 2: Convert to fraction form
    4,919.11/6,788.20 = 2,680.94/x
  3. Step 3: Cross multiply
    4,919.11x = 6,788.20 × 2,680.94
  4. Step 4: Simplify right side
    4,919.11x = 18,198,709.56
  5. Step 5: Solve for x
    x = 18,198,709.56/4,919.11
  6. Step 6: Final answer
    x = 3,699.60

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1.5x scale

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.