Home / 6,605.27-9,115.25-3,621.09

Finding the Fourth Proportional to 6,605.27, 9,115.25 and 3,621.09

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Solution

The fourth proportional to 6,605.27, 9,115.25 and 3,621.09 is: 4,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.27 : 9,115.25 = 3,621.09 : x
  2. Step 2: Convert to fraction form
    6,605.27/9,115.25 = 3,621.09/x
  3. Step 3: Cross multiply
    6,605.27x = 9,115.25 × 3,621.09
  4. Step 4: Simplify right side
    6,605.27x = 33,007,177.07
  5. Step 5: Solve for x
    x = 33,007,177.07/6,605.27
  6. Step 6: Final answer
    x = 4,997.10

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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.