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Finding the Fourth Proportional to 6,973.31, 10,459.98 and 1,779.19

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Solution

The fourth proportional to 6,973.31, 10,459.98 and 1,779.19 is: 2,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,973.31 : 10,459.98 = 1,779.19 : x
  2. Step 2: Convert to fraction form
    6,973.31/10,459.98 = 1,779.19/x
  3. Step 3: Cross multiply
    6,973.31x = 10,459.98 × 1,779.19
  4. Step 4: Simplify right side
    6,973.31x = 18,610,265.67
  5. Step 5: Solve for x
    x = 18,610,265.67/6,973.31
  6. Step 6: Final answer
    x = 2,668.78

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