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Finding the Fourth Proportional to 4,486.72, 6,741.06 and 4,238.05

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Solution

The fourth proportional to 4,486.72, 6,741.06 and 4,238.05 is: 6,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.72 : 6,741.06 = 4,238.05 : x
  2. Step 2: Convert to fraction form
    4,486.72/6,741.06 = 4,238.05/x
  3. Step 3: Cross multiply
    4,486.72x = 6,741.06 × 4,238.05
  4. Step 4: Simplify right side
    4,486.72x = 28,568,949.33
  5. Step 5: Solve for x
    x = 28,568,949.33/4,486.72
  6. Step 6: Final answer
    x = 6,367.45

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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.