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Finding the Fourth Proportional to 7,064.58, 9,749.25 and 3,920.94

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Solution

The fourth proportional to 7,064.58, 9,749.25 and 3,920.94 is: 5,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.58 : 9,749.25 = 3,920.94 : x
  2. Step 2: Convert to fraction form
    7,064.58/9,749.25 = 3,920.94/x
  3. Step 3: Cross multiply
    7,064.58x = 9,749.25 × 3,920.94
  4. Step 4: Simplify right side
    7,064.58x = 38,226,224.30
  5. Step 5: Solve for x
    x = 38,226,224.30/7,064.58
  6. Step 6: Final answer
    x = 5,410.97

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