Home / 8,320.22-12,472.07-3,386.73

Finding the Fourth Proportional to 8,320.22, 12,472.07 and 3,386.73

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Solution

The fourth proportional to 8,320.22, 12,472.07 and 3,386.73 is: 5,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.22 : 12,472.07 = 3,386.73 : x
  2. Step 2: Convert to fraction form
    8,320.22/12,472.07 = 3,386.73/x
  3. Step 3: Cross multiply
    8,320.22x = 12,472.07 × 3,386.73
  4. Step 4: Simplify right side
    8,320.22x = 42,239,516.70
  5. Step 5: Solve for x
    x = 42,239,516.70/8,320.22
  6. Step 6: Final answer
    x = 5,076.73

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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.