Home / 5,909.89-8,867.52-2,212.40

Finding the Fourth Proportional to 5,909.89, 8,867.52 and 2,212.40

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Solution

The fourth proportional to 5,909.89, 8,867.52 and 2,212.40 is: 3,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.89 : 8,867.52 = 2,212.40 : x
  2. Step 2: Convert to fraction form
    5,909.89/8,867.52 = 2,212.40/x
  3. Step 3: Cross multiply
    5,909.89x = 8,867.52 × 2,212.40
  4. Step 4: Simplify right side
    5,909.89x = 19,618,520.31
  5. Step 5: Solve for x
    x = 19,618,520.31/5,909.89
  6. Step 6: Final answer
    x = 3,319.61

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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.