Home / 7,480.32-11,222.40-2,286.18

Finding the Fourth Proportional to 7,480.32, 11,222.40 and 2,286.18

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Solution

The fourth proportional to 7,480.32, 11,222.40 and 2,286.18 is: 3,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.32 : 11,222.40 = 2,286.18 : x
  2. Step 2: Convert to fraction form
    7,480.32/11,222.40 = 2,286.18/x
  3. Step 3: Cross multiply
    7,480.32x = 11,222.40 × 2,286.18
  4. Step 4: Simplify right side
    7,480.32x = 25,656,426.43
  5. Step 5: Solve for x
    x = 25,656,426.43/7,480.32
  6. Step 6: Final answer
    x = 3,429.86

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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.