Home / 4,458.94-6,685.14-2,728.78

Finding the Fourth Proportional to 4,458.94, 6,685.14 and 2,728.78

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Solution

The fourth proportional to 4,458.94, 6,685.14 and 2,728.78 is: 4,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.94 : 6,685.14 = 2,728.78 : x
  2. Step 2: Convert to fraction form
    4,458.94/6,685.14 = 2,728.78/x
  3. Step 3: Cross multiply
    4,458.94x = 6,685.14 × 2,728.78
  4. Step 4: Simplify right side
    4,458.94x = 18,242,276.33
  5. Step 5: Solve for x
    x = 18,242,276.33/4,458.94
  6. Step 6: Final answer
    x = 4,091.17

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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.