Home / 4,987.82-6,882.90-2,749.25

Finding the Fourth Proportional to 4,987.82, 6,882.90 and 2,749.25

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Solution

The fourth proportional to 4,987.82, 6,882.90 and 2,749.25 is: 3,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.82 : 6,882.90 = 2,749.25 : x
  2. Step 2: Convert to fraction form
    4,987.82/6,882.90 = 2,749.25/x
  3. Step 3: Cross multiply
    4,987.82x = 6,882.90 × 2,749.25
  4. Step 4: Simplify right side
    4,987.82x = 18,922,812.83
  5. Step 5: Solve for x
    x = 18,922,812.83/4,987.82
  6. Step 6: Final answer
    x = 3,793.80

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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.