Home / 8,186.36-12,277.12-2,992.64

Finding the Fourth Proportional to 8,186.36, 12,277.12 and 2,992.64

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Solution

The fourth proportional to 8,186.36, 12,277.12 and 2,992.64 is: 4,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.36 : 12,277.12 = 2,992.64 : x
  2. Step 2: Convert to fraction form
    8,186.36/12,277.12 = 2,992.64/x
  3. Step 3: Cross multiply
    8,186.36x = 12,277.12 × 2,992.64
  4. Step 4: Simplify right side
    8,186.36x = 36,741,000.40
  5. Step 5: Solve for x
    x = 36,741,000.40/8,186.36
  6. Step 6: Final answer
    x = 4,488.08

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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.