Home / 4,223-6,323.16-3,396.80

Finding the Fourth Proportional to 4,223, 6,323.16 and 3,396.80

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Solution

The fourth proportional to 4,223, 6,323.16 and 3,396.80 is: 5,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223 : 6,323.16 = 3,396.80 : x
  2. Step 2: Convert to fraction form
    4,223/6,323.16 = 3,396.80/x
  3. Step 3: Cross multiply
    4,223x = 6,323.16 × 3,396.80
  4. Step 4: Simplify right side
    4,223x = 21,478,509.89
  5. Step 5: Solve for x
    x = 21,478,509.89/4,223
  6. Step 6: Final answer
    x = 5,086.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.