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Finding the Fourth Proportional to 7,271.55, 10,035.68 and 4,913.55

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Solution

The fourth proportional to 7,271.55, 10,035.68 and 4,913.55 is: 6,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.55 : 10,035.68 = 4,913.55 : x
  2. Step 2: Convert to fraction form
    7,271.55/10,035.68 = 4,913.55/x
  3. Step 3: Cross multiply
    7,271.55x = 10,035.68 × 4,913.55
  4. Step 4: Simplify right side
    7,271.55x = 49,310,790.90
  5. Step 5: Solve for x
    x = 49,310,790.90/7,271.55
  6. Step 6: Final answer
    x = 6,781.33

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