Home / 6,600.91-9,109.25-3,616.85

Finding the Fourth Proportional to 6,600.91, 9,109.25 and 3,616.85

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Solution

The fourth proportional to 6,600.91, 9,109.25 and 3,616.85 is: 4,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.91 : 9,109.25 = 3,616.85 : x
  2. Step 2: Convert to fraction form
    6,600.91/9,109.25 = 3,616.85/x
  3. Step 3: Cross multiply
    6,600.91x = 9,109.25 × 3,616.85
  4. Step 4: Simplify right side
    6,600.91x = 32,946,727.23
  5. Step 5: Solve for x
    x = 32,946,727.23/6,600.91
  6. Step 6: Final answer
    x = 4,991.24

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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.