Home / 8,168.70-12,252.40-2,620.56

Finding the Fourth Proportional to 8,168.70, 12,252.40 and 2,620.56

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Solution

The fourth proportional to 8,168.70, 12,252.40 and 2,620.56 is: 3,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.70 : 12,252.40 = 2,620.56 : x
  2. Step 2: Convert to fraction form
    8,168.70/12,252.40 = 2,620.56/x
  3. Step 3: Cross multiply
    8,168.70x = 12,252.40 × 2,620.56
  4. Step 4: Simplify right side
    8,168.70x = 32,108,188.74
  5. Step 5: Solve for x
    x = 32,108,188.74/8,168.70
  6. Step 6: Final answer
    x = 3,930.63

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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.