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Finding the Fourth Proportional to 4,624.97, 6,930.83 and 4,375.49

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Solution

The fourth proportional to 4,624.97, 6,930.83 and 4,375.49 is: 6,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624.97 : 6,930.83 = 4,375.49 : x
  2. Step 2: Convert to fraction form
    4,624.97/6,930.83 = 4,375.49/x
  3. Step 3: Cross multiply
    4,624.97x = 6,930.83 × 4,375.49
  4. Step 4: Simplify right side
    4,624.97x = 30,325,753.64
  5. Step 5: Solve for x
    x = 30,325,753.64/4,624.97
  6. Step 6: Final answer
    x = 6,556.97

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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.