Home / 6,979.39-9,634.10-4,622.29

Finding the Fourth Proportional to 6,979.39, 9,634.10 and 4,622.29

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Solution

The fourth proportional to 6,979.39, 9,634.10 and 4,622.29 is: 6,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.39 : 9,634.10 = 4,622.29 : x
  2. Step 2: Convert to fraction form
    6,979.39/9,634.10 = 4,622.29/x
  3. Step 3: Cross multiply
    6,979.39x = 9,634.10 × 4,622.29
  4. Step 4: Simplify right side
    6,979.39x = 44,531,604.09
  5. Step 5: Solve for x
    x = 44,531,604.09/6,979.39
  6. Step 6: Final answer
    x = 6,380.44

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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.