Home / 4,777.20-6,591.63-2,787.25

Finding the Fourth Proportional to 4,777.20, 6,591.63 and 2,787.25

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Solution

The fourth proportional to 4,777.20, 6,591.63 and 2,787.25 is: 3,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.20 : 6,591.63 = 2,787.25 : x
  2. Step 2: Convert to fraction form
    4,777.20/6,591.63 = 2,787.25/x
  3. Step 3: Cross multiply
    4,777.20x = 6,591.63 × 2,787.25
  4. Step 4: Simplify right side
    4,777.20x = 18,372,520.72
  5. Step 5: Solve for x
    x = 18,372,520.72/4,777.20
  6. Step 6: Final answer
    x = 3,845.88

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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.