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Finding the Fourth Proportional to 5,671.63, 8,498.85 and 3,815.92

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Solution

The fourth proportional to 5,671.63, 8,498.85 and 3,815.92 is: 5,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.63 : 8,498.85 = 3,815.92 : x
  2. Step 2: Convert to fraction form
    5,671.63/8,498.85 = 3,815.92/x
  3. Step 3: Cross multiply
    5,671.63x = 8,498.85 × 3,815.92
  4. Step 4: Simplify right side
    5,671.63x = 32,430,931.69
  5. Step 5: Solve for x
    x = 32,430,931.69/5,671.63
  6. Step 6: Final answer
    x = 5,718.10

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