Home / 4,919.00-6,788.43-2,680.79

Finding the Fourth Proportional to 4,919.00, 6,788.43 and 2,680.79

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Solution

The fourth proportional to 4,919.00, 6,788.43 and 2,680.79 is: 3,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.00 : 6,788.43 = 2,680.79 : x
  2. Step 2: Convert to fraction form
    4,919.00/6,788.43 = 2,680.79/x
  3. Step 3: Cross multiply
    4,919.00x = 6,788.43 × 2,680.79
  4. Step 4: Simplify right side
    4,919.00x = 18,198,321.32
  5. Step 5: Solve for x
    x = 18,198,321.32/4,919.00
  6. Step 6: Final answer
    x = 3,699.60

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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.