Home / 4,222.68-6,335.30-2,992.47

Finding the Fourth Proportional to 4,222.68, 6,335.30 and 2,992.47

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Solution

The fourth proportional to 4,222.68, 6,335.30 and 2,992.47 is: 4,489.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.68 : 6,335.30 = 2,992.47 : x
  2. Step 2: Convert to fraction form
    4,222.68/6,335.30 = 2,992.47/x
  3. Step 3: Cross multiply
    4,222.68x = 6,335.30 × 2,992.47
  4. Step 4: Simplify right side
    4,222.68x = 18,958,195.19
  5. Step 5: Solve for x
    x = 18,958,195.19/4,222.68
  6. Step 6: Final answer
    x = 4,489.61

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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.