Home / 8,113.83-12,171.21-2,270.43

Finding the Fourth Proportional to 8,113.83, 12,171.21 and 2,270.43

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Solution

The fourth proportional to 8,113.83, 12,171.21 and 2,270.43 is: 3,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.83 : 12,171.21 = 2,270.43 : x
  2. Step 2: Convert to fraction form
    8,113.83/12,171.21 = 2,270.43/x
  3. Step 3: Cross multiply
    8,113.83x = 12,171.21 × 2,270.43
  4. Step 4: Simplify right side
    8,113.83x = 27,633,880.32
  5. Step 5: Solve for x
    x = 27,633,880.32/8,113.83
  6. Step 6: Final answer
    x = 3,405.78

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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.