Home / 4,777.80-6,592.77-2,787.72

Finding the Fourth Proportional to 4,777.80, 6,592.77 and 2,787.72

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Solution

The fourth proportional to 4,777.80, 6,592.77 and 2,787.72 is: 3,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.80 : 6,592.77 = 2,787.72 : x
  2. Step 2: Convert to fraction form
    4,777.80/6,592.77 = 2,787.72/x
  3. Step 3: Cross multiply
    4,777.80x = 6,592.77 × 2,787.72
  4. Step 4: Simplify right side
    4,777.80x = 18,378,796.78
  5. Step 5: Solve for x
    x = 18,378,796.78/4,777.80
  6. Step 6: Final answer
    x = 3,846.71

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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.