Home / 8,145.80-12,221.98-2,952.04

Finding the Fourth Proportional to 8,145.80, 12,221.98 and 2,952.04

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Solution

The fourth proportional to 8,145.80, 12,221.98 and 2,952.04 is: 4,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.80 : 12,221.98 = 2,952.04 : x
  2. Step 2: Convert to fraction form
    8,145.80/12,221.98 = 2,952.04/x
  3. Step 3: Cross multiply
    8,145.80x = 12,221.98 × 2,952.04
  4. Step 4: Simplify right side
    8,145.80x = 36,079,773.84
  5. Step 5: Solve for x
    x = 36,079,773.84/8,145.80
  6. Step 6: Final answer
    x = 4,429.25

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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.