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Finding the Fourth Proportional to 9,395.64, 12,964.89 and 5,416.74

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Solution

The fourth proportional to 9,395.64, 12,964.89 and 5,416.74 is: 7,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.64 : 12,964.89 = 5,416.74 : x
  2. Step 2: Convert to fraction form
    9,395.64/12,964.89 = 5,416.74/x
  3. Step 3: Cross multiply
    9,395.64x = 12,964.89 × 5,416.74
  4. Step 4: Simplify right side
    9,395.64x = 70,227,438.26
  5. Step 5: Solve for x
    x = 70,227,438.26/9,395.64
  6. Step 6: Final answer
    x = 7,474.47

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