Home / 5,474.21-8,212.61-1,776.44

Finding the Fourth Proportional to 5,474.21, 8,212.61 and 1,776.44

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Solution

The fourth proportional to 5,474.21, 8,212.61 and 1,776.44 is: 2,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.21 : 8,212.61 = 1,776.44 : x
  2. Step 2: Convert to fraction form
    5,474.21/8,212.61 = 1,776.44/x
  3. Step 3: Cross multiply
    5,474.21x = 8,212.61 × 1,776.44
  4. Step 4: Simplify right side
    5,474.21x = 14,589,208.91
  5. Step 5: Solve for x
    x = 14,589,208.91/5,474.21
  6. Step 6: Final answer
    x = 2,665.08

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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.