Home / 4,986.45-6,882.04-2,998.11

Finding the Fourth Proportional to 4,986.45, 6,882.04 and 2,998.11

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Solution

The fourth proportional to 4,986.45, 6,882.04 and 2,998.11 is: 4,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.45 : 6,882.04 = 2,998.11 : x
  2. Step 2: Convert to fraction form
    4,986.45/6,882.04 = 2,998.11/x
  3. Step 3: Cross multiply
    4,986.45x = 6,882.04 × 2,998.11
  4. Step 4: Simplify right side
    4,986.45x = 20,633,112.94
  5. Step 5: Solve for x
    x = 20,633,112.94/4,986.45
  6. Step 6: Final answer
    x = 4,137.84

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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.