Home / 6,121.57-9,178.30-2,226.01

Finding the Fourth Proportional to 6,121.57, 9,178.30 and 2,226.01

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Solution

The fourth proportional to 6,121.57, 9,178.30 and 2,226.01 is: 3,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.57 : 9,178.30 = 2,226.01 : x
  2. Step 2: Convert to fraction form
    6,121.57/9,178.30 = 2,226.01/x
  3. Step 3: Cross multiply
    6,121.57x = 9,178.30 × 2,226.01
  4. Step 4: Simplify right side
    6,121.57x = 20,430,987.58
  5. Step 5: Solve for x
    x = 20,430,987.58/6,121.57
  6. Step 6: Final answer
    x = 3,337.54

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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.