Home / 6,601.18-9,109.52-3,616.99

Finding the Fourth Proportional to 6,601.18, 9,109.52 and 3,616.99

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Solution

The fourth proportional to 6,601.18, 9,109.52 and 3,616.99 is: 4,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.18 : 9,109.52 = 3,616.99 : x
  2. Step 2: Convert to fraction form
    6,601.18/9,109.52 = 3,616.99/x
  3. Step 3: Cross multiply
    6,601.18x = 9,109.52 × 3,616.99
  4. Step 4: Simplify right side
    6,601.18x = 32,948,979.11
  5. Step 5: Solve for x
    x = 32,948,979.11/6,601.18
  6. Step 6: Final answer
    x = 4,991.38

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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.