Home / 6,996.30-9,654.88-3,809.55

Finding the Fourth Proportional to 6,996.30, 9,654.88 and 3,809.55

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Solution

The fourth proportional to 6,996.30, 9,654.88 and 3,809.55 is: 5,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996.30 : 9,654.88 = 3,809.55 : x
  2. Step 2: Convert to fraction form
    6,996.30/9,654.88 = 3,809.55/x
  3. Step 3: Cross multiply
    6,996.30x = 9,654.88 × 3,809.55
  4. Step 4: Simplify right side
    6,996.30x = 36,780,753.97
  5. Step 5: Solve for x
    x = 36,780,753.97/6,996.30
  6. Step 6: Final answer
    x = 5,257.17

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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.