Home / 4,399.20-6,071.22-2,631.78

Finding the Fourth Proportional to 4,399.20, 6,071.22 and 2,631.78

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Solution

The fourth proportional to 4,399.20, 6,071.22 and 2,631.78 is: 3,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.20 : 6,071.22 = 2,631.78 : x
  2. Step 2: Convert to fraction form
    4,399.20/6,071.22 = 2,631.78/x
  3. Step 3: Cross multiply
    4,399.20x = 6,071.22 × 2,631.78
  4. Step 4: Simplify right side
    4,399.20x = 15,978,115.37
  5. Step 5: Solve for x
    x = 15,978,115.37/4,399.20
  6. Step 6: Final answer
    x = 3,632.05

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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.