Home / 4,142.06-6,212.92-1,676.90

Finding the Fourth Proportional to 4,142.06, 6,212.92 and 1,676.90

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Solution

The fourth proportional to 4,142.06, 6,212.92 and 1,676.90 is: 2,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.06 : 6,212.92 = 1,676.90 : x
  2. Step 2: Convert to fraction form
    4,142.06/6,212.92 = 1,676.90/x
  3. Step 3: Cross multiply
    4,142.06x = 6,212.92 × 1,676.90
  4. Step 4: Simplify right side
    4,142.06x = 10,418,445.55
  5. Step 5: Solve for x
    x = 10,418,445.55/4,142.06
  6. Step 6: Final answer
    x = 2,515.28

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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.