Home / 4,246.58-6,372.35-1,781.21

Finding the Fourth Proportional to 4,246.58, 6,372.35 and 1,781.21

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Solution

The fourth proportional to 4,246.58, 6,372.35 and 1,781.21 is: 2,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.58 : 6,372.35 = 1,781.21 : x
  2. Step 2: Convert to fraction form
    4,246.58/6,372.35 = 1,781.21/x
  3. Step 3: Cross multiply
    4,246.58x = 6,372.35 × 1,781.21
  4. Step 4: Simplify right side
    4,246.58x = 11,350,493.54
  5. Step 5: Solve for x
    x = 11,350,493.54/4,246.58
  6. Step 6: Final answer
    x = 2,672.86

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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.