Home / 4,276.40-6,414.60-2,086.52

Finding the Fourth Proportional to 4,276.40, 6,414.60 and 2,086.52

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Solution

The fourth proportional to 4,276.40, 6,414.60 and 2,086.52 is: 3,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.40 : 6,414.60 = 2,086.52 : x
  2. Step 2: Convert to fraction form
    4,276.40/6,414.60 = 2,086.52/x
  3. Step 3: Cross multiply
    4,276.40x = 6,414.60 × 2,086.52
  4. Step 4: Simplify right side
    4,276.40x = 13,384,191.19
  5. Step 5: Solve for x
    x = 13,384,191.19/4,276.40
  6. Step 6: Final answer
    x = 3,129.78

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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.