Home / 8,217.19-12,325.73-3,287.97

Finding the Fourth Proportional to 8,217.19, 12,325.73 and 3,287.97

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Solution

The fourth proportional to 8,217.19, 12,325.73 and 3,287.97 is: 4,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.19 : 12,325.73 = 3,287.97 : x
  2. Step 2: Convert to fraction form
    8,217.19/12,325.73 = 3,287.97/x
  3. Step 3: Cross multiply
    8,217.19x = 12,325.73 × 3,287.97
  4. Step 4: Simplify right side
    8,217.19x = 40,526,630.47
  5. Step 5: Solve for x
    x = 40,526,630.47/8,217.19
  6. Step 6: Final answer
    x = 4,931.93

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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.