Home / 7,212.57-10,796.94-6,439.83

Finding the Fourth Proportional to 7,212.57, 10,796.94 and 6,439.83

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Solution

The fourth proportional to 7,212.57, 10,796.94 and 6,439.83 is: 9,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.57 : 10,796.94 = 6,439.83 : x
  2. Step 2: Convert to fraction form
    7,212.57/10,796.94 = 6,439.83/x
  3. Step 3: Cross multiply
    7,212.57x = 10,796.94 × 6,439.83
  4. Step 4: Simplify right side
    7,212.57x = 69,530,458.12
  5. Step 5: Solve for x
    x = 69,530,458.12/7,212.57
  6. Step 6: Final answer
    x = 9,640.18

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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.