Home / 6,779.81-10,171.26-2,619.86

Finding the Fourth Proportional to 6,779.81, 10,171.26 and 2,619.86

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Solution

The fourth proportional to 6,779.81, 10,171.26 and 2,619.86 is: 3,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.81 : 10,171.26 = 2,619.86 : x
  2. Step 2: Convert to fraction form
    6,779.81/10,171.26 = 2,619.86/x
  3. Step 3: Cross multiply
    6,779.81x = 10,171.26 × 2,619.86
  4. Step 4: Simplify right side
    6,779.81x = 26,647,226.37
  5. Step 5: Solve for x
    x = 26,647,226.37/6,779.81
  6. Step 6: Final answer
    x = 3,930.38

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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.