Home / 6,609.25-9,120.77-3,665.25

Finding the Fourth Proportional to 6,609.25, 9,120.77 and 3,665.25

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Solution

The fourth proportional to 6,609.25, 9,120.77 and 3,665.25 is: 5,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.25 : 9,120.77 = 3,665.25 : x
  2. Step 2: Convert to fraction form
    6,609.25/9,120.77 = 3,665.25/x
  3. Step 3: Cross multiply
    6,609.25x = 9,120.77 × 3,665.25
  4. Step 4: Simplify right side
    6,609.25x = 33,429,883.92
  5. Step 5: Solve for x
    x = 33,429,883.92/6,609.25
  6. Step 6: Final answer
    x = 5,058.05

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Half scale
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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.