Home / 8,081.27-12,127.44-3,150.95

Finding the Fourth Proportional to 8,081.27, 12,127.44 and 3,150.95

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Solution

The fourth proportional to 8,081.27, 12,127.44 and 3,150.95 is: 4,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.27 : 12,127.44 = 3,150.95 : x
  2. Step 2: Convert to fraction form
    8,081.27/12,127.44 = 3,150.95/x
  3. Step 3: Cross multiply
    8,081.27x = 12,127.44 × 3,150.95
  4. Step 4: Simplify right side
    8,081.27x = 38,212,957.07
  5. Step 5: Solve for x
    x = 38,212,957.07/8,081.27
  6. Step 6: Final answer
    x = 4,728.58

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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.