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Finding the Fourth Proportional to 7,015.75, 10,523.67 and 1,821.67

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Solution

The fourth proportional to 7,015.75, 10,523.67 and 1,821.67 is: 2,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.75 : 10,523.67 = 1,821.67 : x
  2. Step 2: Convert to fraction form
    7,015.75/10,523.67 = 1,821.67/x
  3. Step 3: Cross multiply
    7,015.75x = 10,523.67 × 1,821.67
  4. Step 4: Simplify right side
    7,015.75x = 19,170,653.93
  5. Step 5: Solve for x
    x = 19,170,653.93/7,015.75
  6. Step 6: Final answer
    x = 2,732.52

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