Home / 8,205.10-11,319.49-5,367.52

Finding the Fourth Proportional to 8,205.10, 11,319.49 and 5,367.52

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Solution

The fourth proportional to 8,205.10, 11,319.49 and 5,367.52 is: 7,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.10 : 11,319.49 = 5,367.52 : x
  2. Step 2: Convert to fraction form
    8,205.10/11,319.49 = 5,367.52/x
  3. Step 3: Cross multiply
    8,205.10x = 11,319.49 × 5,367.52
  4. Step 4: Simplify right side
    8,205.10x = 60,757,609.82
  5. Step 5: Solve for x
    x = 60,757,609.82/8,205.10
  6. Step 6: Final answer
    x = 7,404.86

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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.