Home / 6,628.62-9,940.82-2,930.78

Finding the Fourth Proportional to 6,628.62, 9,940.82 and 2,930.78

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Solution

The fourth proportional to 6,628.62, 9,940.82 and 2,930.78 is: 4,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.62 : 9,940.82 = 2,930.78 : x
  2. Step 2: Convert to fraction form
    6,628.62/9,940.82 = 2,930.78/x
  3. Step 3: Cross multiply
    6,628.62x = 9,940.82 × 2,930.78
  4. Step 4: Simplify right side
    6,628.62x = 29,134,356.44
  5. Step 5: Solve for x
    x = 29,134,356.44/6,628.62
  6. Step 6: Final answer
    x = 4,395.24

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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.