Home / 4,987.69-6,882.70-2,749.44

Finding the Fourth Proportional to 4,987.69, 6,882.70 and 2,749.44

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Solution

The fourth proportional to 4,987.69, 6,882.70 and 2,749.44 is: 3,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.69 : 6,882.70 = 2,749.44 : x
  2. Step 2: Convert to fraction form
    4,987.69/6,882.70 = 2,749.44/x
  3. Step 3: Cross multiply
    4,987.69x = 6,882.70 × 2,749.44
  4. Step 4: Simplify right side
    4,987.69x = 18,923,589.62
  5. Step 5: Solve for x
    x = 18,923,589.62/4,987.69
  6. Step 6: Final answer
    x = 3,794.06

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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.