Home / 4,920.27-6,789.89-2,682.17

Finding the Fourth Proportional to 4,920.27, 6,789.89 and 2,682.17

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Solution

The fourth proportional to 4,920.27, 6,789.89 and 2,682.17 is: 3,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.27 : 6,789.89 = 2,682.17 : x
  2. Step 2: Convert to fraction form
    4,920.27/6,789.89 = 2,682.17/x
  3. Step 3: Cross multiply
    4,920.27x = 6,789.89 × 2,682.17
  4. Step 4: Simplify right side
    4,920.27x = 18,211,591.90
  5. Step 5: Solve for x
    x = 18,211,591.90/4,920.27
  6. Step 6: Final answer
    x = 3,701.34

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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.