Home / 8,634.34-12,942.48-5,861.23

Finding the Fourth Proportional to 8,634.34, 12,942.48 and 5,861.23

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Solution

The fourth proportional to 8,634.34, 12,942.48 and 5,861.23 is: 8,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.34 : 12,942.48 = 5,861.23 : x
  2. Step 2: Convert to fraction form
    8,634.34/12,942.48 = 5,861.23/x
  3. Step 3: Cross multiply
    8,634.34x = 12,942.48 × 5,861.23
  4. Step 4: Simplify right side
    8,634.34x = 75,858,852.05
  5. Step 5: Solve for x
    x = 75,858,852.05/8,634.34
  6. Step 6: Final answer
    x = 8,785.72

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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.