Home / 7,480.42-11,220.66-2,286.28

Finding the Fourth Proportional to 7,480.42, 11,220.66 and 2,286.28

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Solution

The fourth proportional to 7,480.42, 11,220.66 and 2,286.28 is: 3,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.42 : 11,220.66 = 2,286.28 : x
  2. Step 2: Convert to fraction form
    7,480.42/11,220.66 = 2,286.28/x
  3. Step 3: Cross multiply
    7,480.42x = 11,220.66 × 2,286.28
  4. Step 4: Simplify right side
    7,480.42x = 25,653,570.54
  5. Step 5: Solve for x
    x = 25,653,570.54/7,480.42
  6. Step 6: Final answer
    x = 3,429.43

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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.