Home / 4,912.41-6,777.96-2,787.47

Finding the Fourth Proportional to 4,912.41, 6,777.96 and 2,787.47

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Solution

The fourth proportional to 4,912.41, 6,777.96 and 2,787.47 is: 3,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.41 : 6,777.96 = 2,787.47 : x
  2. Step 2: Convert to fraction form
    4,912.41/6,777.96 = 2,787.47/x
  3. Step 3: Cross multiply
    4,912.41x = 6,777.96 × 2,787.47
  4. Step 4: Simplify right side
    4,912.41x = 18,893,360.16
  5. Step 5: Solve for x
    x = 18,893,360.16/4,912.41
  6. Step 6: Final answer
    x = 3,846.05

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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.