Home / 8,529.75-12,790.17-3,845.72

Finding the Fourth Proportional to 8,529.75, 12,790.17 and 3,845.72

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Solution

The fourth proportional to 8,529.75, 12,790.17 and 3,845.72 is: 5,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.75 : 12,790.17 = 3,845.72 : x
  2. Step 2: Convert to fraction form
    8,529.75/12,790.17 = 3,845.72/x
  3. Step 3: Cross multiply
    8,529.75x = 12,790.17 × 3,845.72
  4. Step 4: Simplify right side
    8,529.75x = 49,187,444.55
  5. Step 5: Solve for x
    x = 49,187,444.55/8,529.75
  6. Step 6: Final answer
    x = 5,766.58

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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.