Home / 5,169.79-7,751.98-2,698.57

Finding the Fourth Proportional to 5,169.79, 7,751.98 and 2,698.57

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Solution

The fourth proportional to 5,169.79, 7,751.98 and 2,698.57 is: 4,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.79 : 7,751.98 = 2,698.57 : x
  2. Step 2: Convert to fraction form
    5,169.79/7,751.98 = 2,698.57/x
  3. Step 3: Cross multiply
    5,169.79x = 7,751.98 × 2,698.57
  4. Step 4: Simplify right side
    5,169.79x = 20,919,260.67
  5. Step 5: Solve for x
    x = 20,919,260.67/5,169.79
  6. Step 6: Final answer
    x = 4,046.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.