Home / 4,914.83-6,782.19-2,789.79

Finding the Fourth Proportional to 4,914.83, 6,782.19 and 2,789.79

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Solution

The fourth proportional to 4,914.83, 6,782.19 and 2,789.79 is: 3,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.83 : 6,782.19 = 2,789.79 : x
  2. Step 2: Convert to fraction form
    4,914.83/6,782.19 = 2,789.79/x
  3. Step 3: Cross multiply
    4,914.83x = 6,782.19 × 2,789.79
  4. Step 4: Simplify right side
    4,914.83x = 18,920,885.84
  5. Step 5: Solve for x
    x = 18,920,885.84/4,914.83
  6. Step 6: Final answer
    x = 3,849.75

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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.