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Finding the Fourth Proportional to 6,999.59, 10,499.58 and 2,616.20

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Solution

The fourth proportional to 6,999.59, 10,499.58 and 2,616.20 is: 3,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.59 : 10,499.58 = 2,616.20 : x
  2. Step 2: Convert to fraction form
    6,999.59/10,499.58 = 2,616.20/x
  3. Step 3: Cross multiply
    6,999.59x = 10,499.58 × 2,616.20
  4. Step 4: Simplify right side
    6,999.59x = 27,469,027.44
  5. Step 5: Solve for x
    x = 27,469,027.44/6,999.59
  6. Step 6: Final answer
    x = 3,924.38

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Similar ratio
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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.