Home / 8,620.97-11,895.50-5,084.88

Finding the Fourth Proportional to 8,620.97, 11,895.50 and 5,084.88

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Solution

The fourth proportional to 8,620.97, 11,895.50 and 5,084.88 is: 7,016.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.97 : 11,895.50 = 5,084.88 : x
  2. Step 2: Convert to fraction form
    8,620.97/11,895.50 = 5,084.88/x
  3. Step 3: Cross multiply
    8,620.97x = 11,895.50 × 5,084.88
  4. Step 4: Simplify right side
    8,620.97x = 60,487,164.62
  5. Step 5: Solve for x
    x = 60,487,164.62/8,620.97
  6. Step 6: Final answer
    x = 7,016.28

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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.