Home / 4,981.20-7,471.74-1,518.46

Finding the Fourth Proportional to 4,981.20, 7,471.74 and 1,518.46

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Solution

The fourth proportional to 4,981.20, 7,471.74 and 1,518.46 is: 2,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.20 : 7,471.74 = 1,518.46 : x
  2. Step 2: Convert to fraction form
    4,981.20/7,471.74 = 1,518.46/x
  3. Step 3: Cross multiply
    4,981.20x = 7,471.74 × 1,518.46
  4. Step 4: Simplify right side
    4,981.20x = 11,345,538.32
  5. Step 5: Solve for x
    x = 11,345,538.32/4,981.20
  6. Step 6: Final answer
    x = 2,277.67

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