Home / 5,069.12-7,604.85-2,147.54

Finding the Fourth Proportional to 5,069.12, 7,604.85 and 2,147.54

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Solution

The fourth proportional to 5,069.12, 7,604.85 and 2,147.54 is: 3,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.12 : 7,604.85 = 2,147.54 : x
  2. Step 2: Convert to fraction form
    5,069.12/7,604.85 = 2,147.54/x
  3. Step 3: Cross multiply
    5,069.12x = 7,604.85 × 2,147.54
  4. Step 4: Simplify right side
    5,069.12x = 16,331,719.57
  5. Step 5: Solve for x
    x = 16,331,719.57/5,069.12
  6. Step 6: Final answer
    x = 3,221.81

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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.