Home / 5,909.42-8,859.35-2,211.11

Finding the Fourth Proportional to 5,909.42, 8,859.35 and 2,211.11

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Solution

The fourth proportional to 5,909.42, 8,859.35 and 2,211.11 is: 3,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.42 : 8,859.35 = 2,211.11 : x
  2. Step 2: Convert to fraction form
    5,909.42/8,859.35 = 2,211.11/x
  3. Step 3: Cross multiply
    5,909.42x = 8,859.35 × 2,211.11
  4. Step 4: Simplify right side
    5,909.42x = 19,589,016.76
  5. Step 5: Solve for x
    x = 19,589,016.76/5,909.42
  6. Step 6: Final answer
    x = 3,314.88

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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.