Home / 8,286.24-11,435.19-4,509.66

Finding the Fourth Proportional to 8,286.24, 11,435.19 and 4,509.66

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Solution

The fourth proportional to 8,286.24, 11,435.19 and 4,509.66 is: 6,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.24 : 11,435.19 = 4,509.66 : x
  2. Step 2: Convert to fraction form
    8,286.24/11,435.19 = 4,509.66/x
  3. Step 3: Cross multiply
    8,286.24x = 11,435.19 × 4,509.66
  4. Step 4: Simplify right side
    8,286.24x = 51,568,818.94
  5. Step 5: Solve for x
    x = 51,568,818.94/8,286.24
  6. Step 6: Final answer
    x = 6,223.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.