Home / 6,421.76-9,632.64-2,317.76

Finding the Fourth Proportional to 6,421.76, 9,632.64 and 2,317.76

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Solution

The fourth proportional to 6,421.76, 9,632.64 and 2,317.76 is: 3,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.76 : 9,632.64 = 2,317.76 : x
  2. Step 2: Convert to fraction form
    6,421.76/9,632.64 = 2,317.76/x
  3. Step 3: Cross multiply
    6,421.76x = 9,632.64 × 2,317.76
  4. Step 4: Simplify right side
    6,421.76x = 22,326,147.69
  5. Step 5: Solve for x
    x = 22,326,147.69/6,421.76
  6. Step 6: Final answer
    x = 3,476.64

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