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Finding the Fourth Proportional to 4,808.08, 7,212.08 and 2,729.04

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Solution

The fourth proportional to 4,808.08, 7,212.08 and 2,729.04 is: 4,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.08 : 7,212.08 = 2,729.04 : x
  2. Step 2: Convert to fraction form
    4,808.08/7,212.08 = 2,729.04/x
  3. Step 3: Cross multiply
    4,808.08x = 7,212.08 × 2,729.04
  4. Step 4: Simplify right side
    4,808.08x = 19,682,054.80
  5. Step 5: Solve for x
    x = 19,682,054.80/4,808.08
  6. Step 6: Final answer
    x = 4,093.54

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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.