Home / 8,861.42-13,288.07-3,863.59

Finding the Fourth Proportional to 8,861.42, 13,288.07 and 3,863.59

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Solution

The fourth proportional to 8,861.42, 13,288.07 and 3,863.59 is: 5,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.42 : 13,288.07 = 3,863.59 : x
  2. Step 2: Convert to fraction form
    8,861.42/13,288.07 = 3,863.59/x
  3. Step 3: Cross multiply
    8,861.42x = 13,288.07 × 3,863.59
  4. Step 4: Simplify right side
    8,861.42x = 51,339,630.81
  5. Step 5: Solve for x
    x = 51,339,630.81/8,861.42
  6. Step 6: Final answer
    x = 5,793.61

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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.