Home / 8,141.16-12,211.77-3,208.14

Finding the Fourth Proportional to 8,141.16, 12,211.77 and 3,208.14

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Solution

The fourth proportional to 8,141.16, 12,211.77 and 3,208.14 is: 4,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.16 : 12,211.77 = 3,208.14 : x
  2. Step 2: Convert to fraction form
    8,141.16/12,211.77 = 3,208.14/x
  3. Step 3: Cross multiply
    8,141.16x = 12,211.77 × 3,208.14
  4. Step 4: Simplify right side
    8,141.16x = 39,177,067.81
  5. Step 5: Solve for x
    x = 39,177,067.81/8,141.16
  6. Step 6: Final answer
    x = 4,812.22

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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.