Home / 6,664.44-9,192.78-4,181.88

Finding the Fourth Proportional to 6,664.44, 9,192.78 and 4,181.88

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Solution

The fourth proportional to 6,664.44, 9,192.78 and 4,181.88 is: 5,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.44 : 9,192.78 = 4,181.88 : x
  2. Step 2: Convert to fraction form
    6,664.44/9,192.78 = 4,181.88/x
  3. Step 3: Cross multiply
    6,664.44x = 9,192.78 × 4,181.88
  4. Step 4: Simplify right side
    6,664.44x = 38,443,102.83
  5. Step 5: Solve for x
    x = 38,443,102.83/6,664.44
  6. Step 6: Final answer
    x = 5,768.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.