Home / 4,883.76-6,739.44-2,787.78

Finding the Fourth Proportional to 4,883.76, 6,739.44 and 2,787.78

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Solution

The fourth proportional to 4,883.76, 6,739.44 and 2,787.78 is: 3,847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.76 : 6,739.44 = 2,787.78 : x
  2. Step 2: Convert to fraction form
    4,883.76/6,739.44 = 2,787.78/x
  3. Step 3: Cross multiply
    4,883.76x = 6,739.44 × 2,787.78
  4. Step 4: Simplify right side
    4,883.76x = 18,788,076.04
  5. Step 5: Solve for x
    x = 18,788,076.04/4,883.76
  6. Step 6: Final answer
    x = 3,847.05

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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.