Home / 7,391.17-11,088.78-3,688.93

Finding the Fourth Proportional to 7,391.17, 11,088.78 and 3,688.93

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Solution

The fourth proportional to 7,391.17, 11,088.78 and 3,688.93 is: 5,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.17 : 11,088.78 = 3,688.93 : x
  2. Step 2: Convert to fraction form
    7,391.17/11,088.78 = 3,688.93/x
  3. Step 3: Cross multiply
    7,391.17x = 11,088.78 × 3,688.93
  4. Step 4: Simplify right side
    7,391.17x = 40,905,733.21
  5. Step 5: Solve for x
    x = 40,905,733.21/7,391.17
  6. Step 6: Final answer
    x = 5,534.41

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