Home / 4,233.72-6,351.24-1,311.42

Finding the Fourth Proportional to 4,233.72, 6,351.24 and 1,311.42

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Solution

The fourth proportional to 4,233.72, 6,351.24 and 1,311.42 is: 1,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,233.72 : 6,351.24 = 1,311.42 : x
  2. Step 2: Convert to fraction form
    4,233.72/6,351.24 = 1,311.42/x
  3. Step 3: Cross multiply
    4,233.72x = 6,351.24 × 1,311.42
  4. Step 4: Simplify right side
    4,233.72x = 8,329,143.16
  5. Step 5: Solve for x
    x = 8,329,143.16/4,233.72
  6. Step 6: Final answer
    x = 1,967.33

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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.