Home / 7,927.32-11,892.78-4,227.60

Finding the Fourth Proportional to 7,927.32, 11,892.78 and 4,227.60

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Solution

The fourth proportional to 7,927.32, 11,892.78 and 4,227.60 is: 6,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.32 : 11,892.78 = 4,227.60 : x
  2. Step 2: Convert to fraction form
    7,927.32/11,892.78 = 4,227.60/x
  3. Step 3: Cross multiply
    7,927.32x = 11,892.78 × 4,227.60
  4. Step 4: Simplify right side
    7,927.32x = 50,277,916.73
  5. Step 5: Solve for x
    x = 50,277,916.73/7,927.32
  6. Step 6: Final answer
    x = 6,342.36

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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.