Home / 8,087.75-12,131.62-4,622.57

Finding the Fourth Proportional to 8,087.75, 12,131.62 and 4,622.57

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Solution

The fourth proportional to 8,087.75, 12,131.62 and 4,622.57 is: 6,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.75 : 12,131.62 = 4,622.57 : x
  2. Step 2: Convert to fraction form
    8,087.75/12,131.62 = 4,622.57/x
  3. Step 3: Cross multiply
    8,087.75x = 12,131.62 × 4,622.57
  4. Step 4: Simplify right side
    8,087.75x = 56,079,178.89
  5. Step 5: Solve for x
    x = 56,079,178.89/8,087.75
  6. Step 6: Final answer
    x = 6,933.85

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Similar ratio
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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.