Home / 4,987.46-6,882.86-2,749.42

Finding the Fourth Proportional to 4,987.46, 6,882.86 and 2,749.42

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Solution

The fourth proportional to 4,987.46, 6,882.86 and 2,749.42 is: 3,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.46 : 6,882.86 = 2,749.42 : x
  2. Step 2: Convert to fraction form
    4,987.46/6,882.86 = 2,749.42/x
  3. Step 3: Cross multiply
    4,987.46x = 6,882.86 × 2,749.42
  4. Step 4: Simplify right side
    4,987.46x = 18,923,872.94
  5. Step 5: Solve for x
    x = 18,923,872.94/4,987.46
  6. Step 6: Final answer
    x = 3,794.29

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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.