Home / 4,819.35-6,645.43-3,137.66

Finding the Fourth Proportional to 4,819.35, 6,645.43 and 3,137.66

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Solution

The fourth proportional to 4,819.35, 6,645.43 and 3,137.66 is: 4,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.35 : 6,645.43 = 3,137.66 : x
  2. Step 2: Convert to fraction form
    4,819.35/6,645.43 = 3,137.66/x
  3. Step 3: Cross multiply
    4,819.35x = 6,645.43 × 3,137.66
  4. Step 4: Simplify right side
    4,819.35x = 20,851,099.89
  5. Step 5: Solve for x
    x = 20,851,099.89/4,819.35
  6. Step 6: Final answer
    x = 4,326.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.