Home / 6,789.10-10,183.68-2,109.01

Finding the Fourth Proportional to 6,789.10, 10,183.68 and 2,109.01

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Solution

The fourth proportional to 6,789.10, 10,183.68 and 2,109.01 is: 3,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.10 : 10,183.68 = 2,109.01 : x
  2. Step 2: Convert to fraction form
    6,789.10/10,183.68 = 2,109.01/x
  3. Step 3: Cross multiply
    6,789.10x = 10,183.68 × 2,109.01
  4. Step 4: Simplify right side
    6,789.10x = 21,477,457.50
  5. Step 5: Solve for x
    x = 21,477,457.50/6,789.10
  6. Step 6: Final answer
    x = 3,163.52

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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.