Home / 7,228.11-10,834.86-2,843.85

Finding the Fourth Proportional to 7,228.11, 10,834.86 and 2,843.85

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Solution

The fourth proportional to 7,228.11, 10,834.86 and 2,843.85 is: 4,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.11 : 10,834.86 = 2,843.85 : x
  2. Step 2: Convert to fraction form
    7,228.11/10,834.86 = 2,843.85/x
  3. Step 3: Cross multiply
    7,228.11x = 10,834.86 × 2,843.85
  4. Step 4: Simplify right side
    7,228.11x = 30,812,716.61
  5. Step 5: Solve for x
    x = 30,812,716.61/7,228.11
  6. Step 6: Final answer
    x = 4,262.90

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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.