Home / 6,788.70-10,183.14-1,858.77

Finding the Fourth Proportional to 6,788.70, 10,183.14 and 1,858.77

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Solution

The fourth proportional to 6,788.70, 10,183.14 and 1,858.77 is: 2,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.70 : 10,183.14 = 1,858.77 : x
  2. Step 2: Convert to fraction form
    6,788.70/10,183.14 = 1,858.77/x
  3. Step 3: Cross multiply
    6,788.70x = 10,183.14 × 1,858.77
  4. Step 4: Simplify right side
    6,788.70x = 18,928,115.14
  5. Step 5: Solve for x
    x = 18,928,115.14/6,788.70
  6. Step 6: Final answer
    x = 2,788.18

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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.