Home / 8,779.41-13,172.57-3,845.59

Finding the Fourth Proportional to 8,779.41, 13,172.57 and 3,845.59

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Solution

The fourth proportional to 8,779.41, 13,172.57 and 3,845.59 is: 5,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779.41 : 13,172.57 = 3,845.59 : x
  2. Step 2: Convert to fraction form
    8,779.41/13,172.57 = 3,845.59/x
  3. Step 3: Cross multiply
    8,779.41x = 13,172.57 × 3,845.59
  4. Step 4: Simplify right side
    8,779.41x = 50,656,305.88
  5. Step 5: Solve for x
    x = 50,656,305.88/8,779.41
  6. Step 6: Final answer
    x = 5,769.90

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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.