Home / 4,286.44-6,433.08-1,691.20

Finding the Fourth Proportional to 4,286.44, 6,433.08 and 1,691.20

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Solution

The fourth proportional to 4,286.44, 6,433.08 and 1,691.20 is: 2,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.44 : 6,433.08 = 1,691.20 : x
  2. Step 2: Convert to fraction form
    4,286.44/6,433.08 = 1,691.20/x
  3. Step 3: Cross multiply
    4,286.44x = 6,433.08 × 1,691.20
  4. Step 4: Simplify right side
    4,286.44x = 10,879,624.90
  5. Step 5: Solve for x
    x = 10,879,624.90/4,286.44
  6. Step 6: Final answer
    x = 2,538.15

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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.