Home / 4,439.19-6,651.90-3,120.60

Finding the Fourth Proportional to 4,439.19, 6,651.90 and 3,120.60

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Solution

The fourth proportional to 4,439.19, 6,651.90 and 3,120.60 is: 4,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.19 : 6,651.90 = 3,120.60 : x
  2. Step 2: Convert to fraction form
    4,439.19/6,651.90 = 3,120.60/x
  3. Step 3: Cross multiply
    4,439.19x = 6,651.90 × 3,120.60
  4. Step 4: Simplify right side
    4,439.19x = 20,757,919.14
  5. Step 5: Solve for x
    x = 20,757,919.14/4,439.19
  6. Step 6: Final answer
    x = 4,676.06

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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.