Home / 7,778.06-11,651.54-5,306.76

Finding the Fourth Proportional to 7,778.06, 11,651.54 and 5,306.76

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Solution

The fourth proportional to 7,778.06, 11,651.54 and 5,306.76 is: 7,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.06 : 11,651.54 = 5,306.76 : x
  2. Step 2: Convert to fraction form
    7,778.06/11,651.54 = 5,306.76/x
  3. Step 3: Cross multiply
    7,778.06x = 11,651.54 × 5,306.76
  4. Step 4: Simplify right side
    7,778.06x = 61,831,926.41
  5. Step 5: Solve for x
    x = 61,831,926.41/7,778.06
  6. Step 6: Final answer
    x = 7,949.53

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