Home / 8,071.73-12,108.75-3,908.32

Finding the Fourth Proportional to 8,071.73, 12,108.75 and 3,908.32

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Solution

The fourth proportional to 8,071.73, 12,108.75 and 3,908.32 is: 5,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.73 : 12,108.75 = 3,908.32 : x
  2. Step 2: Convert to fraction form
    8,071.73/12,108.75 = 3,908.32/x
  3. Step 3: Cross multiply
    8,071.73x = 12,108.75 × 3,908.32
  4. Step 4: Simplify right side
    8,071.73x = 47,324,869.80
  5. Step 5: Solve for x
    x = 47,324,869.80/8,071.73
  6. Step 6: Final answer
    x = 5,863.04

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1.5x scale

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.