Home / 6,609.45-9,120.99-3,625.27

Finding the Fourth Proportional to 6,609.45, 9,120.99 and 3,625.27

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Solution

The fourth proportional to 6,609.45, 9,120.99 and 3,625.27 is: 5,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.45 : 9,120.99 = 3,625.27 : x
  2. Step 2: Convert to fraction form
    6,609.45/9,120.99 = 3,625.27/x
  3. Step 3: Cross multiply
    6,609.45x = 9,120.99 × 3,625.27
  4. Step 4: Simplify right side
    6,609.45x = 33,066,073.12
  5. Step 5: Solve for x
    x = 33,066,073.12/6,609.45
  6. Step 6: Final answer
    x = 5,002.85

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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.