Home / 8,424.27-12,636.44-2,183.84

Finding the Fourth Proportional to 8,424.27, 12,636.44 and 2,183.84

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Solution

The fourth proportional to 8,424.27, 12,636.44 and 2,183.84 is: 3,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.27 : 12,636.44 = 2,183.84 : x
  2. Step 2: Convert to fraction form
    8,424.27/12,636.44 = 2,183.84/x
  3. Step 3: Cross multiply
    8,424.27x = 12,636.44 × 2,183.84
  4. Step 4: Simplify right side
    8,424.27x = 27,595,963.13
  5. Step 5: Solve for x
    x = 27,595,963.13/8,424.27
  6. Step 6: Final answer
    x = 3,275.77

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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.