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Finding the Fourth Proportional to 3,995.69, 6,005.50 and 3,306.79

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Solution

The fourth proportional to 3,995.69, 6,005.50 and 3,306.79 is: 4,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.69 : 6,005.50 = 3,306.79 : x
  2. Step 2: Convert to fraction form
    3,995.69/6,005.50 = 3,306.79/x
  3. Step 3: Cross multiply
    3,995.69x = 6,005.50 × 3,306.79
  4. Step 4: Simplify right side
    3,995.69x = 19,858,927.35
  5. Step 5: Solve for x
    x = 19,858,927.35/3,995.69
  6. Step 6: Final answer
    x = 4,970.09

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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.