Home / 8,940.21-13,411.20-3,096.78

Finding the Fourth Proportional to 8,940.21, 13,411.20 and 3,096.78

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Solution

The fourth proportional to 8,940.21, 13,411.20 and 3,096.78 is: 4,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.21 : 13,411.20 = 3,096.78 : x
  2. Step 2: Convert to fraction form
    8,940.21/13,411.20 = 3,096.78/x
  3. Step 3: Cross multiply
    8,940.21x = 13,411.20 × 3,096.78
  4. Step 4: Simplify right side
    8,940.21x = 41,531,535.94
  5. Step 5: Solve for x
    x = 41,531,535.94/8,940.21
  6. Step 6: Final answer
    x = 4,645.48

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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.