Home / 4,211.62-6,317.73-1,289.55

Finding the Fourth Proportional to 4,211.62, 6,317.73 and 1,289.55

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Solution

The fourth proportional to 4,211.62, 6,317.73 and 1,289.55 is: 1,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.62 : 6,317.73 = 1,289.55 : x
  2. Step 2: Convert to fraction form
    4,211.62/6,317.73 = 1,289.55/x
  3. Step 3: Cross multiply
    4,211.62x = 6,317.73 × 1,289.55
  4. Step 4: Simplify right side
    4,211.62x = 8,147,028.72
  5. Step 5: Solve for x
    x = 8,147,028.72/4,211.62
  6. Step 6: Final answer
    x = 1,934.42

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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.