Home / 6,122.59-9,179.26-3,157.85

Finding the Fourth Proportional to 6,122.59, 9,179.26 and 3,157.85

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Solution

The fourth proportional to 6,122.59, 9,179.26 and 3,157.85 is: 4,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.59 : 9,179.26 = 3,157.85 : x
  2. Step 2: Convert to fraction form
    6,122.59/9,179.26 = 3,157.85/x
  3. Step 3: Cross multiply
    6,122.59x = 9,179.26 × 3,157.85
  4. Step 4: Simplify right side
    6,122.59x = 28,986,741.24
  5. Step 5: Solve for x
    x = 28,986,741.24/6,122.59
  6. Step 6: Final answer
    x = 4,734.39

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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.