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Finding the Fourth Proportional to 4,795.09, 7,189.75 and 1,874.77

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Solution

The fourth proportional to 4,795.09, 7,189.75 and 1,874.77 is: 2,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.09 : 7,189.75 = 1,874.77 : x
  2. Step 2: Convert to fraction form
    4,795.09/7,189.75 = 1,874.77/x
  3. Step 3: Cross multiply
    4,795.09x = 7,189.75 × 1,874.77
  4. Step 4: Simplify right side
    4,795.09x = 13,479,086.97
  5. Step 5: Solve for x
    x = 13,479,086.97/4,795.09
  6. Step 6: Final answer
    x = 2,811.02

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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.