Home / 8,069.90-12,104.84-2,874.56

Finding the Fourth Proportional to 8,069.90, 12,104.84 and 2,874.56

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Solution

The fourth proportional to 8,069.90, 12,104.84 and 2,874.56 is: 4,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.90 : 12,104.84 = 2,874.56 : x
  2. Step 2: Convert to fraction form
    8,069.90/12,104.84 = 2,874.56/x
  3. Step 3: Cross multiply
    8,069.90x = 12,104.84 × 2,874.56
  4. Step 4: Simplify right side
    8,069.90x = 34,796,035.53
  5. Step 5: Solve for x
    x = 34,796,035.53/8,069.90
  6. Step 6: Final answer
    x = 4,311.83

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1.5x scale

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.