Home / 8,110.12-11,186.89-6,218.62

Finding the Fourth Proportional to 8,110.12, 11,186.89 and 6,218.62

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Solution

The fourth proportional to 8,110.12, 11,186.89 and 6,218.62 is: 8,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.12 : 11,186.89 = 6,218.62 : x
  2. Step 2: Convert to fraction form
    8,110.12/11,186.89 = 6,218.62/x
  3. Step 3: Cross multiply
    8,110.12x = 11,186.89 × 6,218.62
  4. Step 4: Simplify right side
    8,110.12x = 69,566,930.86
  5. Step 5: Solve for x
    x = 69,566,930.86/8,110.12
  6. Step 6: Final answer
    x = 8,577.80

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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.