Home / 5,155.75-7,734.68-2,194.19

Finding the Fourth Proportional to 5,155.75, 7,734.68 and 2,194.19

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Solution

The fourth proportional to 5,155.75, 7,734.68 and 2,194.19 is: 3,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.75 : 7,734.68 = 2,194.19 : x
  2. Step 2: Convert to fraction form
    5,155.75/7,734.68 = 2,194.19/x
  3. Step 3: Cross multiply
    5,155.75x = 7,734.68 × 2,194.19
  4. Step 4: Simplify right side
    5,155.75x = 16,971,357.51
  5. Step 5: Solve for x
    x = 16,971,357.51/5,155.75
  6. Step 6: Final answer
    x = 3,291.73

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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.