Home / 4,872.96-6,724.71-2,777.09

Finding the Fourth Proportional to 4,872.96, 6,724.71 and 2,777.09

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Solution

The fourth proportional to 4,872.96, 6,724.71 and 2,777.09 is: 3,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.96 : 6,724.71 = 2,777.09 : x
  2. Step 2: Convert to fraction form
    4,872.96/6,724.71 = 2,777.09/x
  3. Step 3: Cross multiply
    4,872.96x = 6,724.71 × 2,777.09
  4. Step 4: Simplify right side
    4,872.96x = 18,675,091.27
  5. Step 5: Solve for x
    x = 18,675,091.27/4,872.96
  6. Step 6: Final answer
    x = 3,832.39

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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.