Home / 8,340.73-12,516.03-3,079.41

Finding the Fourth Proportional to 8,340.73, 12,516.03 and 3,079.41

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Solution

The fourth proportional to 8,340.73, 12,516.03 and 3,079.41 is: 4,620.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.73 : 12,516.03 = 3,079.41 : x
  2. Step 2: Convert to fraction form
    8,340.73/12,516.03 = 3,079.41/x
  3. Step 3: Cross multiply
    8,340.73x = 12,516.03 × 3,079.41
  4. Step 4: Simplify right side
    8,340.73x = 38,541,929.46
  5. Step 5: Solve for x
    x = 38,541,929.46/8,340.73
  6. Step 6: Final answer
    x = 4,620.93

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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.