Home / 6,927.78-10,389.90-3,226.44

Finding the Fourth Proportional to 6,927.78, 10,389.90 and 3,226.44

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Solution

The fourth proportional to 6,927.78, 10,389.90 and 3,226.44 is: 4,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.78 : 10,389.90 = 3,226.44 : x
  2. Step 2: Convert to fraction form
    6,927.78/10,389.90 = 3,226.44/x
  3. Step 3: Cross multiply
    6,927.78x = 10,389.90 × 3,226.44
  4. Step 4: Simplify right side
    6,927.78x = 33,522,388.96
  5. Step 5: Solve for x
    x = 33,522,388.96/6,927.78
  6. Step 6: Final answer
    x = 4,838.84

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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.