Home / 6,619.43-9,922.22-4,861.82

Finding the Fourth Proportional to 6,619.43, 9,922.22 and 4,861.82

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Solution

The fourth proportional to 6,619.43, 9,922.22 and 4,861.82 is: 7,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.43 : 9,922.22 = 4,861.82 : x
  2. Step 2: Convert to fraction form
    6,619.43/9,922.22 = 4,861.82/x
  3. Step 3: Cross multiply
    6,619.43x = 9,922.22 × 4,861.82
  4. Step 4: Simplify right side
    6,619.43x = 48,239,973.72
  5. Step 5: Solve for x
    x = 48,239,973.72/6,619.43
  6. Step 6: Final answer
    x = 7,287.64

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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.