Home / 6,768.60-10,143.62-3,808.50

Finding the Fourth Proportional to 6,768.60, 10,143.62 and 3,808.50

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Solution

The fourth proportional to 6,768.60, 10,143.62 and 3,808.50 is: 5,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.60 : 10,143.62 = 3,808.50 : x
  2. Step 2: Convert to fraction form
    6,768.60/10,143.62 = 3,808.50/x
  3. Step 3: Cross multiply
    6,768.60x = 10,143.62 × 3,808.50
  4. Step 4: Simplify right side
    6,768.60x = 38,631,976.77
  5. Step 5: Solve for x
    x = 38,631,976.77/6,768.60
  6. Step 6: Final answer
    x = 5,707.53

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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.