Home / 8,120.61-12,163.46-3,741.57

Finding the Fourth Proportional to 8,120.61, 12,163.46 and 3,741.57

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Solution

The fourth proportional to 8,120.61, 12,163.46 and 3,741.57 is: 5,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.61 : 12,163.46 = 3,741.57 : x
  2. Step 2: Convert to fraction form
    8,120.61/12,163.46 = 3,741.57/x
  3. Step 3: Cross multiply
    8,120.61x = 12,163.46 × 3,741.57
  4. Step 4: Simplify right side
    8,120.61x = 45,510,418.32
  5. Step 5: Solve for x
    x = 45,510,418.32/8,120.61
  6. Step 6: Final answer
    x = 5,604.31

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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.