Home / 4,727.73-7,089.17-2,129.25

Finding the Fourth Proportional to 4,727.73, 7,089.17 and 2,129.25

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Solution

The fourth proportional to 4,727.73, 7,089.17 and 2,129.25 is: 3,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.73 : 7,089.17 = 2,129.25 : x
  2. Step 2: Convert to fraction form
    4,727.73/7,089.17 = 2,129.25/x
  3. Step 3: Cross multiply
    4,727.73x = 7,089.17 × 2,129.25
  4. Step 4: Simplify right side
    4,727.73x = 15,094,604.58
  5. Step 5: Solve for x
    x = 15,094,604.58/4,727.73
  6. Step 6: Final answer
    x = 3,192.78

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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.