Home / 4,788.15-7,183.31-2,191.83

Finding the Fourth Proportional to 4,788.15, 7,183.31 and 2,191.83

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Solution

The fourth proportional to 4,788.15, 7,183.31 and 2,191.83 is: 3,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.15 : 7,183.31 = 2,191.83 : x
  2. Step 2: Convert to fraction form
    4,788.15/7,183.31 = 2,191.83/x
  3. Step 3: Cross multiply
    4,788.15x = 7,183.31 × 2,191.83
  4. Step 4: Simplify right side
    4,788.15x = 15,744,583.40
  5. Step 5: Solve for x
    x = 15,744,583.40/4,788.15
  6. Step 6: Final answer
    x = 3,288.24

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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.