Home / 4,138.43-6,207.65-2,676.79

Finding the Fourth Proportional to 4,138.43, 6,207.65 and 2,676.79

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Solution

The fourth proportional to 4,138.43, 6,207.65 and 2,676.79 is: 4,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.43 : 6,207.65 = 2,676.79 : x
  2. Step 2: Convert to fraction form
    4,138.43/6,207.65 = 2,676.79/x
  3. Step 3: Cross multiply
    4,138.43x = 6,207.65 × 2,676.79
  4. Step 4: Simplify right side
    4,138.43x = 16,616,531.02
  5. Step 5: Solve for x
    x = 16,616,531.02/4,138.43
  6. Step 6: Final answer
    x = 4,015.18

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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.