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Finding the Fourth Proportional to 4,799.97, 7,199.16 and 3,409.09

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Solution

The fourth proportional to 4,799.97, 7,199.16 and 3,409.09 is: 5,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,799.97 : 7,199.16 = 3,409.09 : x
  2. Step 2: Convert to fraction form
    4,799.97/7,199.16 = 3,409.09/x
  3. Step 3: Cross multiply
    4,799.97x = 7,199.16 × 3,409.09
  4. Step 4: Simplify right side
    4,799.97x = 24,542,584.36
  5. Step 5: Solve for x
    x = 24,542,584.36/4,799.97
  6. Step 6: Final answer
    x = 5,113.07

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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.