Home / 6,722.92-10,075.74-2,821.96

Finding the Fourth Proportional to 6,722.92, 10,075.74 and 2,821.96

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Solution

The fourth proportional to 6,722.92, 10,075.74 and 2,821.96 is: 4,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.92 : 10,075.74 = 2,821.96 : x
  2. Step 2: Convert to fraction form
    6,722.92/10,075.74 = 2,821.96/x
  3. Step 3: Cross multiply
    6,722.92x = 10,075.74 × 2,821.96
  4. Step 4: Simplify right side
    6,722.92x = 28,433,335.25
  5. Step 5: Solve for x
    x = 28,433,335.25/6,722.92
  6. Step 6: Final answer
    x = 4,229.31

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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.