Home / 8,548.62-11,791.35-6,429.66

Finding the Fourth Proportional to 8,548.62, 11,791.35 and 6,429.66

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Solution

The fourth proportional to 8,548.62, 11,791.35 and 6,429.66 is: 8,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.62 : 11,791.35 = 6,429.66 : x
  2. Step 2: Convert to fraction form
    8,548.62/11,791.35 = 6,429.66/x
  3. Step 3: Cross multiply
    8,548.62x = 11,791.35 × 6,429.66
  4. Step 4: Simplify right side
    8,548.62x = 75,814,371.44
  5. Step 5: Solve for x
    x = 75,814,371.44/8,548.62
  6. Step 6: Final answer
    x = 8,868.61

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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.