Home / 4,222.72-6,325.57-1,998.19

Finding the Fourth Proportional to 4,222.72, 6,325.57 and 1,998.19

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Solution

The fourth proportional to 4,222.72, 6,325.57 and 1,998.19 is: 2,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.72 : 6,325.57 = 1,998.19 : x
  2. Step 2: Convert to fraction form
    4,222.72/6,325.57 = 1,998.19/x
  3. Step 3: Cross multiply
    4,222.72x = 6,325.57 × 1,998.19
  4. Step 4: Simplify right side
    4,222.72x = 12,639,690.72
  5. Step 5: Solve for x
    x = 12,639,690.72/4,222.72
  6. Step 6: Final answer
    x = 2,993.26

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1.5x scale

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.