Home / 8,805.25-13,198.96-5,520.64

Finding the Fourth Proportional to 8,805.25, 13,198.96 and 5,520.64

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Solution

The fourth proportional to 8,805.25, 13,198.96 and 5,520.64 is: 8,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.25 : 13,198.96 = 5,520.64 : x
  2. Step 2: Convert to fraction form
    8,805.25/13,198.96 = 5,520.64/x
  3. Step 3: Cross multiply
    8,805.25x = 13,198.96 × 5,520.64
  4. Step 4: Simplify right side
    8,805.25x = 72,866,706.53
  5. Step 5: Solve for x
    x = 72,866,706.53/8,805.25
  6. Step 6: Final answer
    x = 8,275.37

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1.5x scale

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.