Home / 6,623.44-9,936.84-3,112.76

Finding the Fourth Proportional to 6,623.44, 9,936.84 and 3,112.76

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Solution

The fourth proportional to 6,623.44, 9,936.84 and 3,112.76 is: 4,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.44 : 9,936.84 = 3,112.76 : x
  2. Step 2: Convert to fraction form
    6,623.44/9,936.84 = 3,112.76/x
  3. Step 3: Cross multiply
    6,623.44x = 9,936.84 × 3,112.76
  4. Step 4: Simplify right side
    6,623.44x = 30,930,998.08
  5. Step 5: Solve for x
    x = 30,930,998.08/6,623.44
  6. Step 6: Final answer
    x = 4,669.93

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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.