Home / 6,620.21-9,930.34-2,237.69

Finding the Fourth Proportional to 6,620.21, 9,930.34 and 2,237.69

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Solution

The fourth proportional to 6,620.21, 9,930.34 and 2,237.69 is: 3,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.21 : 9,930.34 = 2,237.69 : x
  2. Step 2: Convert to fraction form
    6,620.21/9,930.34 = 2,237.69/x
  3. Step 3: Cross multiply
    6,620.21x = 9,930.34 × 2,237.69
  4. Step 4: Simplify right side
    6,620.21x = 22,220,967.27
  5. Step 5: Solve for x
    x = 22,220,967.27/6,620.21
  6. Step 6: Final answer
    x = 3,356.54

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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.