Home / 4,282.20-6,422.04-1,817

Finding the Fourth Proportional to 4,282.20, 6,422.04 and 1,817

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Solution

The fourth proportional to 4,282.20, 6,422.04 and 1,817 is: 2,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.20 : 6,422.04 = 1,817 : x
  2. Step 2: Convert to fraction form
    4,282.20/6,422.04 = 1,817/x
  3. Step 3: Cross multiply
    4,282.20x = 6,422.04 × 1,817
  4. Step 4: Simplify right side
    4,282.20x = 11,668,846.68
  5. Step 5: Solve for x
    x = 11,668,846.68/4,282.20
  6. Step 6: Final answer
    x = 2,724.97

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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.