Home / 6,779.22-10,169.09-2,099.71

Finding the Fourth Proportional to 6,779.22, 10,169.09 and 2,099.71

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Solution

The fourth proportional to 6,779.22, 10,169.09 and 2,099.71 is: 3,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.22 : 10,169.09 = 2,099.71 : x
  2. Step 2: Convert to fraction form
    6,779.22/10,169.09 = 2,099.71/x
  3. Step 3: Cross multiply
    6,779.22x = 10,169.09 × 2,099.71
  4. Step 4: Simplify right side
    6,779.22x = 21,352,139.96
  5. Step 5: Solve for x
    x = 21,352,139.96/6,779.22
  6. Step 6: Final answer
    x = 3,149.65

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1.5x scale

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.