Home / 4,268.60-6,404.14-2,078.56

Finding the Fourth Proportional to 4,268.60, 6,404.14 and 2,078.56

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Solution

The fourth proportional to 4,268.60, 6,404.14 and 2,078.56 is: 3,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.60 : 6,404.14 = 2,078.56 : x
  2. Step 2: Convert to fraction form
    4,268.60/6,404.14 = 2,078.56/x
  3. Step 3: Cross multiply
    4,268.60x = 6,404.14 × 2,078.56
  4. Step 4: Simplify right side
    4,268.60x = 13,311,389.24
  5. Step 5: Solve for x
    x = 13,311,389.24/4,268.60
  6. Step 6: Final answer
    x = 3,118.44

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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.