Home / 4,081.26-6,119.64-1,269.32

Finding the Fourth Proportional to 4,081.26, 6,119.64 and 1,269.32

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Solution

The fourth proportional to 4,081.26, 6,119.64 and 1,269.32 is: 1,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.26 : 6,119.64 = 1,269.32 : x
  2. Step 2: Convert to fraction form
    4,081.26/6,119.64 = 1,269.32/x
  3. Step 3: Cross multiply
    4,081.26x = 6,119.64 × 1,269.32
  4. Step 4: Simplify right side
    4,081.26x = 7,767,781.44
  5. Step 5: Solve for x
    x = 7,767,781.44/4,081.26
  6. Step 6: Final answer
    x = 1,903.28

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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.