Home / 4,795.20-7,192.80-4,284.90

Finding the Fourth Proportional to 4,795.20, 7,192.80 and 4,284.90

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Solution

The fourth proportional to 4,795.20, 7,192.80 and 4,284.90 is: 6,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.20 : 7,192.80 = 4,284.90 : x
  2. Step 2: Convert to fraction form
    4,795.20/7,192.80 = 4,284.90/x
  3. Step 3: Cross multiply
    4,795.20x = 7,192.80 × 4,284.90
  4. Step 4: Simplify right side
    4,795.20x = 30,820,428.72
  5. Step 5: Solve for x
    x = 30,820,428.72/4,795.20
  6. Step 6: Final answer
    x = 6,427.35

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