Home / 7,827.74-11,739.26-4,127.94

Finding the Fourth Proportional to 7,827.74, 11,739.26 and 4,127.94

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Solution

The fourth proportional to 7,827.74, 11,739.26 and 4,127.94 is: 6,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.74 : 11,739.26 = 4,127.94 : x
  2. Step 2: Convert to fraction form
    7,827.74/11,739.26 = 4,127.94/x
  3. Step 3: Cross multiply
    7,827.74x = 11,739.26 × 4,127.94
  4. Step 4: Simplify right side
    7,827.74x = 48,458,940.28
  5. Step 5: Solve for x
    x = 48,458,940.28/7,827.74
  6. Step 6: Final answer
    x = 6,190.67

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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.