Home / 4,109.82-6,165.64-1,336.78

Finding the Fourth Proportional to 4,109.82, 6,165.64 and 1,336.78

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Solution

The fourth proportional to 4,109.82, 6,165.64 and 1,336.78 is: 2,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.82 : 6,165.64 = 1,336.78 : x
  2. Step 2: Convert to fraction form
    4,109.82/6,165.64 = 1,336.78/x
  3. Step 3: Cross multiply
    4,109.82x = 6,165.64 × 1,336.78
  4. Step 4: Simplify right side
    4,109.82x = 8,242,104.24
  5. Step 5: Solve for x
    x = 8,242,104.24/4,109.82
  6. Step 6: Final answer
    x = 2,005.47

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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.