Home / 8,186.02-12,261.78-3,747.43

Finding the Fourth Proportional to 8,186.02, 12,261.78 and 3,747.43

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Solution

The fourth proportional to 8,186.02, 12,261.78 and 3,747.43 is: 5,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.02 : 12,261.78 = 3,747.43 : x
  2. Step 2: Convert to fraction form
    8,186.02/12,261.78 = 3,747.43/x
  3. Step 3: Cross multiply
    8,186.02x = 12,261.78 × 3,747.43
  4. Step 4: Simplify right side
    8,186.02x = 45,950,162.23
  5. Step 5: Solve for x
    x = 45,950,162.23/8,186.02
  6. Step 6: Final answer
    x = 5,613.25

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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.