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Finding the Fourth Proportional to 4,809, 7,200.54 and 2,725.92

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Solution

The fourth proportional to 4,809, 7,200.54 and 2,725.92 is: 4,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809 : 7,200.54 = 2,725.92 : x
  2. Step 2: Convert to fraction form
    4,809/7,200.54 = 2,725.92/x
  3. Step 3: Cross multiply
    4,809x = 7,200.54 × 2,725.92
  4. Step 4: Simplify right side
    4,809x = 19,628,096.00
  5. Step 5: Solve for x
    x = 19,628,096.00/4,809
  6. Step 6: Final answer
    x = 4,081.53

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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.