Home / 4,778.88-7,173.60-2,832.64

Finding the Fourth Proportional to 4,778.88, 7,173.60 and 2,832.64

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Solution

The fourth proportional to 4,778.88, 7,173.60 and 2,832.64 is: 4,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.88 : 7,173.60 = 2,832.64 : x
  2. Step 2: Convert to fraction form
    4,778.88/7,173.60 = 2,832.64/x
  3. Step 3: Cross multiply
    4,778.88x = 7,173.60 × 2,832.64
  4. Step 4: Simplify right side
    4,778.88x = 20,320,226.30
  5. Step 5: Solve for x
    x = 20,320,226.30/4,778.88
  6. Step 6: Final answer
    x = 4,252.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.