Home / 6,879.23-9,493.56-3,895

Finding the Fourth Proportional to 6,879.23, 9,493.56 and 3,895

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Solution

The fourth proportional to 6,879.23, 9,493.56 and 3,895 is: 5,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.23 : 9,493.56 = 3,895 : x
  2. Step 2: Convert to fraction form
    6,879.23/9,493.56 = 3,895/x
  3. Step 3: Cross multiply
    6,879.23x = 9,493.56 × 3,895
  4. Step 4: Simplify right side
    6,879.23x = 36,977,416.20
  5. Step 5: Solve for x
    x = 36,977,416.20/6,879.23
  6. Step 6: Final answer
    x = 5,375.23

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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.