Home / 4,286.12-6,424.31-1,819.40

Finding the Fourth Proportional to 4,286.12, 6,424.31 and 1,819.40

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Solution

The fourth proportional to 4,286.12, 6,424.31 and 1,819.40 is: 2,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.12 : 6,424.31 = 1,819.40 : x
  2. Step 2: Convert to fraction form
    4,286.12/6,424.31 = 1,819.40/x
  3. Step 3: Cross multiply
    4,286.12x = 6,424.31 × 1,819.40
  4. Step 4: Simplify right side
    4,286.12x = 11,688,348.40
  5. Step 5: Solve for x
    x = 11,688,348.40/4,286.12
  6. Step 6: Final answer
    x = 2,727.03

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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.