Home / 7,664.30-11,486.82-3,276.60

Finding the Fourth Proportional to 7,664.30, 11,486.82 and 3,276.60

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Solution

The fourth proportional to 7,664.30, 11,486.82 and 3,276.60 is: 4,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.30 : 11,486.82 = 3,276.60 : x
  2. Step 2: Convert to fraction form
    7,664.30/11,486.82 = 3,276.60/x
  3. Step 3: Cross multiply
    7,664.30x = 11,486.82 × 3,276.60
  4. Step 4: Simplify right side
    7,664.30x = 37,637,714.41
  5. Step 5: Solve for x
    x = 37,637,714.41/7,664.30
  6. Step 6: Final answer
    x = 4,910.78

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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.