Home / 5,450.03-8,178.64-2,986.58

Finding the Fourth Proportional to 5,450.03, 8,178.64 and 2,986.58

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Solution

The fourth proportional to 5,450.03, 8,178.64 and 2,986.58 is: 4,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.03 : 8,178.64 = 2,986.58 : x
  2. Step 2: Convert to fraction form
    5,450.03/8,178.64 = 2,986.58/x
  3. Step 3: Cross multiply
    5,450.03x = 8,178.64 × 2,986.58
  4. Step 4: Simplify right side
    5,450.03x = 24,426,175.63
  5. Step 5: Solve for x
    x = 24,426,175.63/5,450.03
  6. Step 6: Final answer
    x = 4,481.84

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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.