Home / 4,268.21-6,404.74-3,407.99

Finding the Fourth Proportional to 4,268.21, 6,404.74 and 3,407.99

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Solution

The fourth proportional to 4,268.21, 6,404.74 and 3,407.99 is: 5,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.21 : 6,404.74 = 3,407.99 : x
  2. Step 2: Convert to fraction form
    4,268.21/6,404.74 = 3,407.99/x
  3. Step 3: Cross multiply
    4,268.21x = 6,404.74 × 3,407.99
  4. Step 4: Simplify right side
    4,268.21x = 21,827,249.33
  5. Step 5: Solve for x
    x = 21,827,249.33/4,268.21
  6. Step 6: Final answer
    x = 5,113.92

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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.