Home / 6,722.04-10,075.34-2,821.88

Finding the Fourth Proportional to 6,722.04, 10,075.34 and 2,821.88

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Solution

The fourth proportional to 6,722.04, 10,075.34 and 2,821.88 is: 4,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.04 : 10,075.34 = 2,821.88 : x
  2. Step 2: Convert to fraction form
    6,722.04/10,075.34 = 2,821.88/x
  3. Step 3: Cross multiply
    6,722.04x = 10,075.34 × 2,821.88
  4. Step 4: Simplify right side
    6,722.04x = 28,431,400.44
  5. Step 5: Solve for x
    x = 28,431,400.44/6,722.04
  6. Step 6: Final answer
    x = 4,229.58

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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.