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Finding the Fourth Proportional to 7,137.46, 10,705.10 and 1,943.74

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Solution

The fourth proportional to 7,137.46, 10,705.10 and 1,943.74 is: 2,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.46 : 10,705.10 = 1,943.74 : x
  2. Step 2: Convert to fraction form
    7,137.46/10,705.10 = 1,943.74/x
  3. Step 3: Cross multiply
    7,137.46x = 10,705.10 × 1,943.74
  4. Step 4: Simplify right side
    7,137.46x = 20,807,931.07
  5. Step 5: Solve for x
    x = 20,807,931.07/7,137.46
  6. Step 6: Final answer
    x = 2,915.31

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