Home / 8,212.44-12,319.88-3,017.91

Finding the Fourth Proportional to 8,212.44, 12,319.88 and 3,017.91

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Solution

The fourth proportional to 8,212.44, 12,319.88 and 3,017.91 is: 4,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.44 : 12,319.88 = 3,017.91 : x
  2. Step 2: Convert to fraction form
    8,212.44/12,319.88 = 3,017.91/x
  3. Step 3: Cross multiply
    8,212.44x = 12,319.88 × 3,017.91
  4. Step 4: Simplify right side
    8,212.44x = 37,180,289.05
  5. Step 5: Solve for x
    x = 37,180,289.05/8,212.44
  6. Step 6: Final answer
    x = 4,527.31

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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.