Home / 4,912.52-6,778.22-2,922.69

Finding the Fourth Proportional to 4,912.52, 6,778.22 and 2,922.69

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Solution

The fourth proportional to 4,912.52, 6,778.22 and 2,922.69 is: 4,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.52 : 6,778.22 = 2,922.69 : x
  2. Step 2: Convert to fraction form
    4,912.52/6,778.22 = 2,922.69/x
  3. Step 3: Cross multiply
    4,912.52x = 6,778.22 × 2,922.69
  4. Step 4: Simplify right side
    4,912.52x = 19,810,614.09
  5. Step 5: Solve for x
    x = 19,810,614.09/4,912.52
  6. Step 6: Final answer
    x = 4,032.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.