Home / 4,169.88-6,249.35-2,688.64

Finding the Fourth Proportional to 4,169.88, 6,249.35 and 2,688.64

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Solution

The fourth proportional to 4,169.88, 6,249.35 and 2,688.64 is: 4,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.88 : 6,249.35 = 2,688.64 : x
  2. Step 2: Convert to fraction form
    4,169.88/6,249.35 = 2,688.64/x
  3. Step 3: Cross multiply
    4,169.88x = 6,249.35 × 2,688.64
  4. Step 4: Simplify right side
    4,169.88x = 16,802,278.63
  5. Step 5: Solve for x
    x = 16,802,278.63/4,169.88
  6. Step 6: Final answer
    x = 4,029.44

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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.