Home / 4,282.35-6,426.77-1,818.90

Finding the Fourth Proportional to 4,282.35, 6,426.77 and 1,818.90

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Solution

The fourth proportional to 4,282.35, 6,426.77 and 1,818.90 is: 2,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.35 : 6,426.77 = 1,818.90 : x
  2. Step 2: Convert to fraction form
    4,282.35/6,426.77 = 1,818.90/x
  3. Step 3: Cross multiply
    4,282.35x = 6,426.77 × 1,818.90
  4. Step 4: Simplify right side
    4,282.35x = 11,689,651.95
  5. Step 5: Solve for x
    x = 11,689,651.95/4,282.35
  6. Step 6: Final answer
    x = 2,729.73

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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.