Home / 8,186.32-12,270.66-4,021.48

Finding the Fourth Proportional to 8,186.32, 12,270.66 and 4,021.48

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Solution

The fourth proportional to 8,186.32, 12,270.66 and 4,021.48 is: 6,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.32 : 12,270.66 = 4,021.48 : x
  2. Step 2: Convert to fraction form
    8,186.32/12,270.66 = 4,021.48/x
  3. Step 3: Cross multiply
    8,186.32x = 12,270.66 × 4,021.48
  4. Step 4: Simplify right side
    8,186.32x = 49,346,213.78
  5. Step 5: Solve for x
    x = 49,346,213.78/8,186.32
  6. Step 6: Final answer
    x = 6,027.89

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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.