Home / 8,020.69-12,031.18-2,755.66

Finding the Fourth Proportional to 8,020.69, 12,031.18 and 2,755.66

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Solution

The fourth proportional to 8,020.69, 12,031.18 and 2,755.66 is: 4,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.69 : 12,031.18 = 2,755.66 : x
  2. Step 2: Convert to fraction form
    8,020.69/12,031.18 = 2,755.66/x
  3. Step 3: Cross multiply
    8,020.69x = 12,031.18 × 2,755.66
  4. Step 4: Simplify right side
    8,020.69x = 33,153,841.48
  5. Step 5: Solve for x
    x = 33,153,841.48/8,020.69
  6. Step 6: Final answer
    x = 4,133.54

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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.