Home / 6,147.78-9,218.10-3,020.97

Finding the Fourth Proportional to 6,147.78, 9,218.10 and 3,020.97

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Solution

The fourth proportional to 6,147.78, 9,218.10 and 3,020.97 is: 4,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.78 : 9,218.10 = 3,020.97 : x
  2. Step 2: Convert to fraction form
    6,147.78/9,218.10 = 3,020.97/x
  3. Step 3: Cross multiply
    6,147.78x = 9,218.10 × 3,020.97
  4. Step 4: Simplify right side
    6,147.78x = 27,847,603.56
  5. Step 5: Solve for x
    x = 27,847,603.56/6,147.78
  6. Step 6: Final answer
    x = 4,529.70

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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.