Home / 5,236.20-7,852.26-2,115.62

Finding the Fourth Proportional to 5,236.20, 7,852.26 and 2,115.62

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Solution

The fourth proportional to 5,236.20, 7,852.26 and 2,115.62 is: 3,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.20 : 7,852.26 = 2,115.62 : x
  2. Step 2: Convert to fraction form
    5,236.20/7,852.26 = 2,115.62/x
  3. Step 3: Cross multiply
    5,236.20x = 7,852.26 × 2,115.62
  4. Step 4: Simplify right side
    5,236.20x = 16,612,398.30
  5. Step 5: Solve for x
    x = 16,612,398.30/5,236.20
  6. Step 6: Final answer
    x = 3,172.61

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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.