Home / 6,418.20-9,628.27-2,257.47

Finding the Fourth Proportional to 6,418.20, 9,628.27 and 2,257.47

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Solution

The fourth proportional to 6,418.20, 9,628.27 and 2,257.47 is: 3,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.20 : 9,628.27 = 2,257.47 : x
  2. Step 2: Convert to fraction form
    6,418.20/9,628.27 = 2,257.47/x
  3. Step 3: Cross multiply
    6,418.20x = 9,628.27 × 2,257.47
  4. Step 4: Simplify right side
    6,418.20x = 21,735,525.03
  5. Step 5: Solve for x
    x = 21,735,525.03/6,418.20
  6. Step 6: Final answer
    x = 3,386.54

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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.