Home / 5,554.45-8,336.40-2,269.90

Finding the Fourth Proportional to 5,554.45, 8,336.40 and 2,269.90

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Solution

The fourth proportional to 5,554.45, 8,336.40 and 2,269.90 is: 3,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.45 : 8,336.40 = 2,269.90 : x
  2. Step 2: Convert to fraction form
    5,554.45/8,336.40 = 2,269.90/x
  3. Step 3: Cross multiply
    5,554.45x = 8,336.40 × 2,269.90
  4. Step 4: Simplify right side
    5,554.45x = 18,922,794.36
  5. Step 5: Solve for x
    x = 18,922,794.36/5,554.45
  6. Step 6: Final answer
    x = 3,406.78

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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.