Home / 5,103.98-7,654.44-1,816.64

Finding the Fourth Proportional to 5,103.98, 7,654.44 and 1,816.64

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Solution

The fourth proportional to 5,103.98, 7,654.44 and 1,816.64 is: 2,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.98 : 7,654.44 = 1,816.64 : x
  2. Step 2: Convert to fraction form
    5,103.98/7,654.44 = 1,816.64/x
  3. Step 3: Cross multiply
    5,103.98x = 7,654.44 × 1,816.64
  4. Step 4: Simplify right side
    5,103.98x = 13,905,361.88
  5. Step 5: Solve for x
    x = 13,905,361.88/5,103.98
  6. Step 6: Final answer
    x = 2,724.42

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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.