Home / 8,170.77-12,248.82-2,973

Finding the Fourth Proportional to 8,170.77, 12,248.82 and 2,973

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Solution

The fourth proportional to 8,170.77, 12,248.82 and 2,973 is: 4,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.77 : 12,248.82 = 2,973 : x
  2. Step 2: Convert to fraction form
    8,170.77/12,248.82 = 2,973/x
  3. Step 3: Cross multiply
    8,170.77x = 12,248.82 × 2,973
  4. Step 4: Simplify right side
    8,170.77x = 36,415,741.86
  5. Step 5: Solve for x
    x = 36,415,741.86/8,170.77
  6. Step 6: Final answer
    x = 4,456.83

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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.