Home / 8,440.34-12,660.51-2,200.33

Finding the Fourth Proportional to 8,440.34, 12,660.51 and 2,200.33

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Solution

The fourth proportional to 8,440.34, 12,660.51 and 2,200.33 is: 3,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.34 : 12,660.51 = 2,200.33 : x
  2. Step 2: Convert to fraction form
    8,440.34/12,660.51 = 2,200.33/x
  3. Step 3: Cross multiply
    8,440.34x = 12,660.51 × 2,200.33
  4. Step 4: Simplify right side
    8,440.34x = 27,857,311.67
  5. Step 5: Solve for x
    x = 27,857,311.67/8,440.34
  6. Step 6: Final answer
    x = 3,300.50

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Similar ratio
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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.