Home / 4,202.67-6,300.93-2,121.72

Finding the Fourth Proportional to 4,202.67, 6,300.93 and 2,121.72

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Solution

The fourth proportional to 4,202.67, 6,300.93 and 2,121.72 is: 3,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.67 : 6,300.93 = 2,121.72 : x
  2. Step 2: Convert to fraction form
    4,202.67/6,300.93 = 2,121.72/x
  3. Step 3: Cross multiply
    4,202.67x = 6,300.93 × 2,121.72
  4. Step 4: Simplify right side
    4,202.67x = 13,368,809.20
  5. Step 5: Solve for x
    x = 13,368,809.20/4,202.67
  6. Step 6: Final answer
    x = 3,181.03

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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.