Home / 8,218.27-12,328.69-2,882.91

Finding the Fourth Proportional to 8,218.27, 12,328.69 and 2,882.91

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Solution

The fourth proportional to 8,218.27, 12,328.69 and 2,882.91 is: 4,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.27 : 12,328.69 = 2,882.91 : x
  2. Step 2: Convert to fraction form
    8,218.27/12,328.69 = 2,882.91/x
  3. Step 3: Cross multiply
    8,218.27x = 12,328.69 × 2,882.91
  4. Step 4: Simplify right side
    8,218.27x = 35,542,496.48
  5. Step 5: Solve for x
    x = 35,542,496.48/8,218.27
  6. Step 6: Final answer
    x = 4,324.82

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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.