Home / 4,892.79-6,751.39-2,768.61

Finding the Fourth Proportional to 4,892.79, 6,751.39 and 2,768.61

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Solution

The fourth proportional to 4,892.79, 6,751.39 and 2,768.61 is: 3,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.79 : 6,751.39 = 2,768.61 : x
  2. Step 2: Convert to fraction form
    4,892.79/6,751.39 = 2,768.61/x
  3. Step 3: Cross multiply
    4,892.79x = 6,751.39 × 2,768.61
  4. Step 4: Simplify right side
    4,892.79x = 18,691,965.87
  5. Step 5: Solve for x
    x = 18,691,965.87/4,892.79
  6. Step 6: Final answer
    x = 3,820.31

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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.