Home / 4,857.20-7,288.44-2,086.64

Finding the Fourth Proportional to 4,857.20, 7,288.44 and 2,086.64

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Solution

The fourth proportional to 4,857.20, 7,288.44 and 2,086.64 is: 3,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.20 : 7,288.44 = 2,086.64 : x
  2. Step 2: Convert to fraction form
    4,857.20/7,288.44 = 2,086.64/x
  3. Step 3: Cross multiply
    4,857.20x = 7,288.44 × 2,086.64
  4. Step 4: Simplify right side
    4,857.20x = 15,208,350.44
  5. Step 5: Solve for x
    x = 15,208,350.44/4,857.20
  6. Step 6: Final answer
    x = 3,131.09

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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.