Home / 7,480.84-11,221.42-2,286.72

Finding the Fourth Proportional to 7,480.84, 11,221.42 and 2,286.72

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Solution

The fourth proportional to 7,480.84, 11,221.42 and 2,286.72 is: 3,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.84 : 11,221.42 = 2,286.72 : x
  2. Step 2: Convert to fraction form
    7,480.84/11,221.42 = 2,286.72/x
  3. Step 3: Cross multiply
    7,480.84x = 11,221.42 × 2,286.72
  4. Step 4: Simplify right side
    7,480.84x = 25,660,245.54
  5. Step 5: Solve for x
    x = 25,660,245.54/7,480.84
  6. Step 6: Final answer
    x = 3,430.13

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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.