Home / 5,715.96-8,574.90-1,821.56

Finding the Fourth Proportional to 5,715.96, 8,574.90 and 1,821.56

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Solution

The fourth proportional to 5,715.96, 8,574.90 and 1,821.56 is: 2,732.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.96 : 8,574.90 = 1,821.56 : x
  2. Step 2: Convert to fraction form
    5,715.96/8,574.90 = 1,821.56/x
  3. Step 3: Cross multiply
    5,715.96x = 8,574.90 × 1,821.56
  4. Step 4: Simplify right side
    5,715.96x = 15,619,694.84
  5. Step 5: Solve for x
    x = 15,619,694.84/5,715.96
  6. Step 6: Final answer
    x = 2,732.65

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