Home / 8,217.44-12,320.01-2,667.47

Finding the Fourth Proportional to 8,217.44, 12,320.01 and 2,667.47

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Solution

The fourth proportional to 8,217.44, 12,320.01 and 2,667.47 is: 3,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.44 : 12,320.01 = 2,667.47 : x
  2. Step 2: Convert to fraction form
    8,217.44/12,320.01 = 2,667.47/x
  3. Step 3: Cross multiply
    8,217.44x = 12,320.01 × 2,667.47
  4. Step 4: Simplify right side
    8,217.44x = 32,863,243.74
  5. Step 5: Solve for x
    x = 32,863,243.74/8,217.44
  6. Step 6: Final answer
    x = 3,999.21

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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.