Home / 7,480.23-11,219.94-2,286.11

Finding the Fourth Proportional to 7,480.23, 11,219.94 and 2,286.11

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Solution

The fourth proportional to 7,480.23, 11,219.94 and 2,286.11 is: 3,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.23 : 11,219.94 = 2,286.11 : x
  2. Step 2: Convert to fraction form
    7,480.23/11,219.94 = 2,286.11/x
  3. Step 3: Cross multiply
    7,480.23x = 11,219.94 × 2,286.11
  4. Step 4: Simplify right side
    7,480.23x = 25,649,960.93
  5. Step 5: Solve for x
    x = 25,649,960.93/7,480.23
  6. Step 6: Final answer
    x = 3,429.03

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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.