Home / 8,286.72-11,435.73-4,509.91

Finding the Fourth Proportional to 8,286.72, 11,435.73 and 4,509.91

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Solution

The fourth proportional to 8,286.72, 11,435.73 and 4,509.91 is: 6,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.72 : 11,435.73 = 4,509.91 : x
  2. Step 2: Convert to fraction form
    8,286.72/11,435.73 = 4,509.91/x
  3. Step 3: Cross multiply
    8,286.72x = 11,435.73 × 4,509.91
  4. Step 4: Simplify right side
    8,286.72x = 51,574,135.84
  5. Step 5: Solve for x
    x = 51,574,135.84/8,286.72
  6. Step 6: Final answer
    x = 6,223.71

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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.