Home / 4,415.92-6,621.04-2,072.79

Finding the Fourth Proportional to 4,415.92, 6,621.04 and 2,072.79

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Solution

The fourth proportional to 4,415.92, 6,621.04 and 2,072.79 is: 3,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.92 : 6,621.04 = 2,072.79 : x
  2. Step 2: Convert to fraction form
    4,415.92/6,621.04 = 2,072.79/x
  3. Step 3: Cross multiply
    4,415.92x = 6,621.04 × 2,072.79
  4. Step 4: Simplify right side
    4,415.92x = 13,724,028.09
  5. Step 5: Solve for x
    x = 13,724,028.09/4,415.92
  6. Step 6: Final answer
    x = 3,107.85

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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.