Home / 6,115.26-8,436.82-3,724.25

Finding the Fourth Proportional to 6,115.26, 8,436.82 and 3,724.25

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Solution

The fourth proportional to 6,115.26, 8,436.82 and 3,724.25 is: 5,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.26 : 8,436.82 = 3,724.25 : x
  2. Step 2: Convert to fraction form
    6,115.26/8,436.82 = 3,724.25/x
  3. Step 3: Cross multiply
    6,115.26x = 8,436.82 × 3,724.25
  4. Step 4: Simplify right side
    6,115.26x = 31,420,826.89
  5. Step 5: Solve for x
    x = 31,420,826.89/6,115.26
  6. Step 6: Final answer
    x = 5,138.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.