Home / 6,418.44-9,628.20-2,258.01

Finding the Fourth Proportional to 6,418.44, 9,628.20 and 2,258.01

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Solution

The fourth proportional to 6,418.44, 9,628.20 and 2,258.01 is: 3,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.44 : 9,628.20 = 2,258.01 : x
  2. Step 2: Convert to fraction form
    6,418.44/9,628.20 = 2,258.01/x
  3. Step 3: Cross multiply
    6,418.44x = 9,628.20 × 2,258.01
  4. Step 4: Simplify right side
    6,418.44x = 21,740,571.88
  5. Step 5: Solve for x
    x = 21,740,571.88/6,418.44
  6. Step 6: Final answer
    x = 3,387.20

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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.