Home / 4,278.72-6,408.97-2,054.27

Finding the Fourth Proportional to 4,278.72, 6,408.97 and 2,054.27

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Solution

The fourth proportional to 4,278.72, 6,408.97 and 2,054.27 is: 3,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.72 : 6,408.97 = 2,054.27 : x
  2. Step 2: Convert to fraction form
    4,278.72/6,408.97 = 2,054.27/x
  3. Step 3: Cross multiply
    4,278.72x = 6,408.97 × 2,054.27
  4. Step 4: Simplify right side
    4,278.72x = 13,165,749.36
  5. Step 5: Solve for x
    x = 13,165,749.36/4,278.72
  6. Step 6: Final answer
    x = 3,077.03

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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.