Home / 5,205.92-7,801.66-2,863.10

Finding the Fourth Proportional to 5,205.92, 7,801.66 and 2,863.10

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Solution

The fourth proportional to 5,205.92, 7,801.66 and 2,863.10 is: 4,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.92 : 7,801.66 = 2,863.10 : x
  2. Step 2: Convert to fraction form
    5,205.92/7,801.66 = 2,863.10/x
  3. Step 3: Cross multiply
    5,205.92x = 7,801.66 × 2,863.10
  4. Step 4: Simplify right side
    5,205.92x = 22,336,932.75
  5. Step 5: Solve for x
    x = 22,336,932.75/5,205.92
  6. Step 6: Final answer
    x = 4,290.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.