Home / 4,920.26-6,789.92-2,682.13

Finding the Fourth Proportional to 4,920.26, 6,789.92 and 2,682.13

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Solution

The fourth proportional to 4,920.26, 6,789.92 and 2,682.13 is: 3,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.26 : 6,789.92 = 2,682.13 : x
  2. Step 2: Convert to fraction form
    4,920.26/6,789.92 = 2,682.13/x
  3. Step 3: Cross multiply
    4,920.26x = 6,789.92 × 2,682.13
  4. Step 4: Simplify right side
    4,920.26x = 18,211,427.80
  5. Step 5: Solve for x
    x = 18,211,427.80/4,920.26
  6. Step 6: Final answer
    x = 3,701.32

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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.