Home / 7,751.94-11,624.04-2,820.84

Finding the Fourth Proportional to 7,751.94, 11,624.04 and 2,820.84

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Solution

The fourth proportional to 7,751.94, 11,624.04 and 2,820.84 is: 4,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.94 : 11,624.04 = 2,820.84 : x
  2. Step 2: Convert to fraction form
    7,751.94/11,624.04 = 2,820.84/x
  3. Step 3: Cross multiply
    7,751.94x = 11,624.04 × 2,820.84
  4. Step 4: Simplify right side
    7,751.94x = 32,789,556.99
  5. Step 5: Solve for x
    x = 32,789,556.99/7,751.94
  6. Step 6: Final answer
    x = 4,229.85

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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.