Home / 4,922.20-7,383.30-4,727.80

Finding the Fourth Proportional to 4,922.20, 7,383.30 and 4,727.80

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Solution

The fourth proportional to 4,922.20, 7,383.30 and 4,727.80 is: 7,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.20 : 7,383.30 = 4,727.80 : x
  2. Step 2: Convert to fraction form
    4,922.20/7,383.30 = 4,727.80/x
  3. Step 3: Cross multiply
    4,922.20x = 7,383.30 × 4,727.80
  4. Step 4: Simplify right side
    4,922.20x = 34,906,765.74
  5. Step 5: Solve for x
    x = 34,906,765.74/4,922.20
  6. Step 6: Final answer
    x = 7,091.70

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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.