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Finding the Fourth Proportional to 4,931.86, 7,397.63 and 1,644.98

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Solution

The fourth proportional to 4,931.86, 7,397.63 and 1,644.98 is: 2,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.86 : 7,397.63 = 1,644.98 : x
  2. Step 2: Convert to fraction form
    4,931.86/7,397.63 = 1,644.98/x
  3. Step 3: Cross multiply
    4,931.86x = 7,397.63 × 1,644.98
  4. Step 4: Simplify right side
    4,931.86x = 12,168,930.79
  5. Step 5: Solve for x
    x = 12,168,930.79/4,931.86
  6. Step 6: Final answer
    x = 2,467.41

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