Home / 8,183.16-12,277.17-3,187.08

Finding the Fourth Proportional to 8,183.16, 12,277.17 and 3,187.08

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Solution

The fourth proportional to 8,183.16, 12,277.17 and 3,187.08 is: 4,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.16 : 12,277.17 = 3,187.08 : x
  2. Step 2: Convert to fraction form
    8,183.16/12,277.17 = 3,187.08/x
  3. Step 3: Cross multiply
    8,183.16x = 12,277.17 × 3,187.08
  4. Step 4: Simplify right side
    8,183.16x = 39,128,322.96
  5. Step 5: Solve for x
    x = 39,128,322.96/8,183.16
  6. Step 6: Final answer
    x = 4,781.57

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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.