Home / 4,919.20-6,788.24-2,680.93

Finding the Fourth Proportional to 4,919.20, 6,788.24 and 2,680.93

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Solution

The fourth proportional to 4,919.20, 6,788.24 and 2,680.93 is: 3,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.20 : 6,788.24 = 2,680.93 : x
  2. Step 2: Convert to fraction form
    4,919.20/6,788.24 = 2,680.93/x
  3. Step 3: Cross multiply
    4,919.20x = 6,788.24 × 2,680.93
  4. Step 4: Simplify right side
    4,919.20x = 18,198,748.92
  5. Step 5: Solve for x
    x = 18,198,748.92/4,919.20
  6. Step 6: Final answer
    x = 3,699.54

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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.