Home / 4,949.91-6,826.68-3,828.87

Finding the Fourth Proportional to 4,949.91, 6,826.68 and 3,828.87

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Solution

The fourth proportional to 4,949.91, 6,826.68 and 3,828.87 is: 5,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.91 : 6,826.68 = 3,828.87 : x
  2. Step 2: Convert to fraction form
    4,949.91/6,826.68 = 3,828.87/x
  3. Step 3: Cross multiply
    4,949.91x = 6,826.68 × 3,828.87
  4. Step 4: Simplify right side
    4,949.91x = 26,138,470.25
  5. Step 5: Solve for x
    x = 26,138,470.25/4,949.91
  6. Step 6: Final answer
    x = 5,280.60

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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.