Home / 6,115.62-9,174.81-2,220.06

Finding the Fourth Proportional to 6,115.62, 9,174.81 and 2,220.06

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Solution

The fourth proportional to 6,115.62, 9,174.81 and 2,220.06 is: 3,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.62 : 9,174.81 = 2,220.06 : x
  2. Step 2: Convert to fraction form
    6,115.62/9,174.81 = 2,220.06/x
  3. Step 3: Cross multiply
    6,115.62x = 9,174.81 × 2,220.06
  4. Step 4: Simplify right side
    6,115.62x = 20,368,628.69
  5. Step 5: Solve for x
    x = 20,368,628.69/6,115.62
  6. Step 6: Final answer
    x = 3,330.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.