Home / 7,272.20-10,034.39-4,286.94

Finding the Fourth Proportional to 7,272.20, 10,034.39 and 4,286.94

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Solution

The fourth proportional to 7,272.20, 10,034.39 and 4,286.94 is: 5,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.20 : 10,034.39 = 4,286.94 : x
  2. Step 2: Convert to fraction form
    7,272.20/10,034.39 = 4,286.94/x
  3. Step 3: Cross multiply
    7,272.20x = 10,034.39 × 4,286.94
  4. Step 4: Simplify right side
    7,272.20x = 43,016,806.43
  5. Step 5: Solve for x
    x = 43,016,806.43/7,272.20
  6. Step 6: Final answer
    x = 5,915.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.