Home / 4,077.21-6,114.79-1,408.66

Finding the Fourth Proportional to 4,077.21, 6,114.79 and 1,408.66

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Solution

The fourth proportional to 4,077.21, 6,114.79 and 1,408.66 is: 2,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.21 : 6,114.79 = 1,408.66 : x
  2. Step 2: Convert to fraction form
    4,077.21/6,114.79 = 1,408.66/x
  3. Step 3: Cross multiply
    4,077.21x = 6,114.79 × 1,408.66
  4. Step 4: Simplify right side
    4,077.21x = 8,613,660.08
  5. Step 5: Solve for x
    x = 8,613,660.08/4,077.21
  6. Step 6: Final answer
    x = 2,112.64

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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.