Home / 8,865.21-13,300.56-3,934.44

Finding the Fourth Proportional to 8,865.21, 13,300.56 and 3,934.44

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Solution

The fourth proportional to 8,865.21, 13,300.56 and 3,934.44 is: 5,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.21 : 13,300.56 = 3,934.44 : x
  2. Step 2: Convert to fraction form
    8,865.21/13,300.56 = 3,934.44/x
  3. Step 3: Cross multiply
    8,865.21x = 13,300.56 × 3,934.44
  4. Step 4: Simplify right side
    8,865.21x = 52,330,255.29
  5. Step 5: Solve for x
    x = 52,330,255.29/8,865.21
  6. Step 6: Final answer
    x = 5,902.88

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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.