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Finding the Fourth Proportional to 4,788.59, 7,183.64 and 2,447.33

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Solution

The fourth proportional to 4,788.59, 7,183.64 and 2,447.33 is: 3,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.59 : 7,183.64 = 2,447.33 : x
  2. Step 2: Convert to fraction form
    4,788.59/7,183.64 = 2,447.33/x
  3. Step 3: Cross multiply
    4,788.59x = 7,183.64 × 2,447.33
  4. Step 4: Simplify right side
    4,788.59x = 17,580,689.53
  5. Step 5: Solve for x
    x = 17,580,689.53/4,788.59
  6. Step 6: Final answer
    x = 3,671.37

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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.