Home / 4,992.20-6,882.90-3,417.80

Finding the Fourth Proportional to 4,992.20, 6,882.90 and 3,417.80

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Solution

The fourth proportional to 4,992.20, 6,882.90 and 3,417.80 is: 4,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.20 : 6,882.90 = 3,417.80 : x
  2. Step 2: Convert to fraction form
    4,992.20/6,882.90 = 3,417.80/x
  3. Step 3: Cross multiply
    4,992.20x = 6,882.90 × 3,417.80
  4. Step 4: Simplify right side
    4,992.20x = 23,524,375.62
  5. Step 5: Solve for x
    x = 23,524,375.62/4,992.20
  6. Step 6: Final answer
    x = 4,712.23

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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.