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Finding the Fourth Proportional to 8,809.08, 13,213.62 and 2,653.08

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Solution

The fourth proportional to 8,809.08, 13,213.62 and 2,653.08 is: 3,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.08 : 13,213.62 = 2,653.08 : x
  2. Step 2: Convert to fraction form
    8,809.08/13,213.62 = 2,653.08/x
  3. Step 3: Cross multiply
    8,809.08x = 13,213.62 × 2,653.08
  4. Step 4: Simplify right side
    8,809.08x = 35,056,790.95
  5. Step 5: Solve for x
    x = 35,056,790.95/8,809.08
  6. Step 6: Final answer
    x = 3,979.62

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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.