Home / 4,276.76-6,414.24-1,643.42

Finding the Fourth Proportional to 4,276.76, 6,414.24 and 1,643.42

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Solution

The fourth proportional to 4,276.76, 6,414.24 and 1,643.42 is: 2,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.76 : 6,414.24 = 1,643.42 : x
  2. Step 2: Convert to fraction form
    4,276.76/6,414.24 = 1,643.42/x
  3. Step 3: Cross multiply
    4,276.76x = 6,414.24 × 1,643.42
  4. Step 4: Simplify right side
    4,276.76x = 10,541,290.30
  5. Step 5: Solve for x
    x = 10,541,290.30/4,276.76
  6. Step 6: Final answer
    x = 2,464.78

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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.