Home / 8,000.11-11,031.82-5,772.61

Finding the Fourth Proportional to 8,000.11, 11,031.82 and 5,772.61

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Solution

The fourth proportional to 8,000.11, 11,031.82 and 5,772.61 is: 7,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.11 : 11,031.82 = 5,772.61 : x
  2. Step 2: Convert to fraction form
    8,000.11/11,031.82 = 5,772.61/x
  3. Step 3: Cross multiply
    8,000.11x = 11,031.82 × 5,772.61
  4. Step 4: Simplify right side
    8,000.11x = 63,682,394.45
  5. Step 5: Solve for x
    x = 63,682,394.45/8,000.11
  6. Step 6: Final answer
    x = 7,960.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.