Home / 8,114.06-12,162.78-3,176.97

Finding the Fourth Proportional to 8,114.06, 12,162.78 and 3,176.97

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Solution

The fourth proportional to 8,114.06, 12,162.78 and 3,176.97 is: 4,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.06 : 12,162.78 = 3,176.97 : x
  2. Step 2: Convert to fraction form
    8,114.06/12,162.78 = 3,176.97/x
  3. Step 3: Cross multiply
    8,114.06x = 12,162.78 × 3,176.97
  4. Step 4: Simplify right side
    8,114.06x = 38,640,787.18
  5. Step 5: Solve for x
    x = 38,640,787.18/8,114.06
  6. Step 6: Final answer
    x = 4,762.20

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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.