Home / 7,170.20-10,759.50-3,009.89

Finding the Fourth Proportional to 7,170.20, 10,759.50 and 3,009.89

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Solution

The fourth proportional to 7,170.20, 10,759.50 and 3,009.89 is: 4,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.20 : 10,759.50 = 3,009.89 : x
  2. Step 2: Convert to fraction form
    7,170.20/10,759.50 = 3,009.89/x
  3. Step 3: Cross multiply
    7,170.20x = 10,759.50 × 3,009.89
  4. Step 4: Simplify right side
    7,170.20x = 32,384,857.66
  5. Step 5: Solve for x
    x = 32,384,857.66/7,170.20
  6. Step 6: Final answer
    x = 4,516.59

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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.