Home / 4,219.37-6,328.49-1,297.43

Finding the Fourth Proportional to 4,219.37, 6,328.49 and 1,297.43

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Solution

The fourth proportional to 4,219.37, 6,328.49 and 1,297.43 is: 1,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.37 : 6,328.49 = 1,297.43 : x
  2. Step 2: Convert to fraction form
    4,219.37/6,328.49 = 1,297.43/x
  3. Step 3: Cross multiply
    4,219.37x = 6,328.49 × 1,297.43
  4. Step 4: Simplify right side
    4,219.37x = 8,210,734.65
  5. Step 5: Solve for x
    x = 8,210,734.65/4,219.37
  6. Step 6: Final answer
    x = 1,945.96

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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.