Home / 8,872.18-13,308.33-3,940.48

Finding the Fourth Proportional to 8,872.18, 13,308.33 and 3,940.48

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Solution

The fourth proportional to 8,872.18, 13,308.33 and 3,940.48 is: 5,910.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.18 : 13,308.33 = 3,940.48 : x
  2. Step 2: Convert to fraction form
    8,872.18/13,308.33 = 3,940.48/x
  3. Step 3: Cross multiply
    8,872.18x = 13,308.33 × 3,940.48
  4. Step 4: Simplify right side
    8,872.18x = 52,441,208.20
  5. Step 5: Solve for x
    x = 52,441,208.20/8,872.18
  6. Step 6: Final answer
    x = 5,910.75

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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.