Home / 8,151.47-11,249.04-4,615.82

Finding the Fourth Proportional to 8,151.47, 11,249.04 and 4,615.82

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Solution

The fourth proportional to 8,151.47, 11,249.04 and 4,615.82 is: 6,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.47 : 11,249.04 = 4,615.82 : x
  2. Step 2: Convert to fraction form
    8,151.47/11,249.04 = 4,615.82/x
  3. Step 3: Cross multiply
    8,151.47x = 11,249.04 × 4,615.82
  4. Step 4: Simplify right side
    8,151.47x = 51,923,520.73
  5. Step 5: Solve for x
    x = 51,923,520.73/8,151.47
  6. Step 6: Final answer
    x = 6,369.84

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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.