Home / 8,060.15-12,086.04-3,378.89

Finding the Fourth Proportional to 8,060.15, 12,086.04 and 3,378.89

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Solution

The fourth proportional to 8,060.15, 12,086.04 and 3,378.89 is: 5,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.15 : 12,086.04 = 3,378.89 : x
  2. Step 2: Convert to fraction form
    8,060.15/12,086.04 = 3,378.89/x
  3. Step 3: Cross multiply
    8,060.15x = 12,086.04 × 3,378.89
  4. Step 4: Simplify right side
    8,060.15x = 40,837,399.70
  5. Step 5: Solve for x
    x = 40,837,399.70/8,060.15
  6. Step 6: Final answer
    x = 5,066.58

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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.