Home / 8,500.82-12,736.85-5,207.04

Finding the Fourth Proportional to 8,500.82, 12,736.85 and 5,207.04

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Solution

The fourth proportional to 8,500.82, 12,736.85 and 5,207.04 is: 7,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.82 : 12,736.85 = 5,207.04 : x
  2. Step 2: Convert to fraction form
    8,500.82/12,736.85 = 5,207.04/x
  3. Step 3: Cross multiply
    8,500.82x = 12,736.85 × 5,207.04
  4. Step 4: Simplify right side
    8,500.82x = 66,321,287.42
  5. Step 5: Solve for x
    x = 66,321,287.42/8,500.82
  6. Step 6: Final answer
    x = 7,801.75

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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.