Home / 8,949.68-13,415.91-4,268.42

Finding the Fourth Proportional to 8,949.68, 13,415.91 and 4,268.42

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Solution

The fourth proportional to 8,949.68, 13,415.91 and 4,268.42 is: 6,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.68 : 13,415.91 = 4,268.42 : x
  2. Step 2: Convert to fraction form
    8,949.68/13,415.91 = 4,268.42/x
  3. Step 3: Cross multiply
    8,949.68x = 13,415.91 × 4,268.42
  4. Step 4: Simplify right side
    8,949.68x = 57,264,738.56
  5. Step 5: Solve for x
    x = 57,264,738.56/8,949.68
  6. Step 6: Final answer
    x = 6,398.52

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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.