Home / 5,131.08-7,697.63-1,621.62

Finding the Fourth Proportional to 5,131.08, 7,697.63 and 1,621.62

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Solution

The fourth proportional to 5,131.08, 7,697.63 and 1,621.62 is: 2,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.08 : 7,697.63 = 1,621.62 : x
  2. Step 2: Convert to fraction form
    5,131.08/7,697.63 = 1,621.62/x
  3. Step 3: Cross multiply
    5,131.08x = 7,697.63 × 1,621.62
  4. Step 4: Simplify right side
    5,131.08x = 12,482,622.65
  5. Step 5: Solve for x
    x = 12,482,622.65/5,131.08
  6. Step 6: Final answer
    x = 2,432.75

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