Home / 4,103.60-6,155.40-3,786.80

Finding the Fourth Proportional to 4,103.60, 6,155.40 and 3,786.80

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Solution

The fourth proportional to 4,103.60, 6,155.40 and 3,786.80 is: 5,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.60 : 6,155.40 = 3,786.80 : x
  2. Step 2: Convert to fraction form
    4,103.60/6,155.40 = 3,786.80/x
  3. Step 3: Cross multiply
    4,103.60x = 6,155.40 × 3,786.80
  4. Step 4: Simplify right side
    4,103.60x = 23,309,268.72
  5. Step 5: Solve for x
    x = 23,309,268.72/4,103.60
  6. Step 6: Final answer
    x = 5,680.20

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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.