Home / 4,209.82-6,314.66-1,438.43

Finding the Fourth Proportional to 4,209.82, 6,314.66 and 1,438.43

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Solution

The fourth proportional to 4,209.82, 6,314.66 and 1,438.43 is: 2,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.82 : 6,314.66 = 1,438.43 : x
  2. Step 2: Convert to fraction form
    4,209.82/6,314.66 = 1,438.43/x
  3. Step 3: Cross multiply
    4,209.82x = 6,314.66 × 1,438.43
  4. Step 4: Simplify right side
    4,209.82x = 9,083,215.77
  5. Step 5: Solve for x
    x = 9,083,215.77/4,209.82
  6. Step 6: Final answer
    x = 2,157.62

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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.