Home / 8,704.22-12,021.71-5,866.70

Finding the Fourth Proportional to 8,704.22, 12,021.71 and 5,866.70

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Solution

The fourth proportional to 8,704.22, 12,021.71 and 5,866.70 is: 8,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.22 : 12,021.71 = 5,866.70 : x
  2. Step 2: Convert to fraction form
    8,704.22/12,021.71 = 5,866.70/x
  3. Step 3: Cross multiply
    8,704.22x = 12,021.71 × 5,866.70
  4. Step 4: Simplify right side
    8,704.22x = 70,527,793.74
  5. Step 5: Solve for x
    x = 70,527,793.74/8,704.22
  6. Step 6: Final answer
    x = 8,102.71

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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.