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Finding the Fourth Proportional to 6,359.95, 9,539.88 and 1,977.40

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Solution

The fourth proportional to 6,359.95, 9,539.88 and 1,977.40 is: 2,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.95 : 9,539.88 = 1,977.40 : x
  2. Step 2: Convert to fraction form
    6,359.95/9,539.88 = 1,977.40/x
  3. Step 3: Cross multiply
    6,359.95x = 9,539.88 × 1,977.40
  4. Step 4: Simplify right side
    6,359.95x = 18,864,158.71
  5. Step 5: Solve for x
    x = 18,864,158.71/6,359.95
  6. Step 6: Final answer
    x = 2,966.09

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