Home / 4,213.56-6,317.28-1,992.54

Finding the Fourth Proportional to 4,213.56, 6,317.28 and 1,992.54

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Solution

The fourth proportional to 4,213.56, 6,317.28 and 1,992.54 is: 2,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.56 : 6,317.28 = 1,992.54 : x
  2. Step 2: Convert to fraction form
    4,213.56/6,317.28 = 1,992.54/x
  3. Step 3: Cross multiply
    4,213.56x = 6,317.28 × 1,992.54
  4. Step 4: Simplify right side
    4,213.56x = 12,587,433.09
  5. Step 5: Solve for x
    x = 12,587,433.09/4,213.56
  6. Step 6: Final answer
    x = 2,987.36

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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.