Home / 8,768.44-12,104.70-5,629.96

Finding the Fourth Proportional to 8,768.44, 12,104.70 and 5,629.96

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Solution

The fourth proportional to 8,768.44, 12,104.70 and 5,629.96 is: 7,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.44 : 12,104.70 = 5,629.96 : x
  2. Step 2: Convert to fraction form
    8,768.44/12,104.70 = 5,629.96/x
  3. Step 3: Cross multiply
    8,768.44x = 12,104.70 × 5,629.96
  4. Step 4: Simplify right side
    8,768.44x = 68,148,976.81
  5. Step 5: Solve for x
    x = 68,148,976.81/8,768.44
  6. Step 6: Final answer
    x = 7,772.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.