Home / 4,198.11-5,787.32-2,779.42

Finding the Fourth Proportional to 4,198.11, 5,787.32 and 2,779.42

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Solution

The fourth proportional to 4,198.11, 5,787.32 and 2,779.42 is: 3,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.11 : 5,787.32 = 2,779.42 : x
  2. Step 2: Convert to fraction form
    4,198.11/5,787.32 = 2,779.42/x
  3. Step 3: Cross multiply
    4,198.11x = 5,787.32 × 2,779.42
  4. Step 4: Simplify right side
    4,198.11x = 16,085,392.95
  5. Step 5: Solve for x
    x = 16,085,392.95/4,198.11
  6. Step 6: Final answer
    x = 3,831.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.