Home / 5,407.26-8,105.73-2,119.26

Finding the Fourth Proportional to 5,407.26, 8,105.73 and 2,119.26

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Solution

The fourth proportional to 5,407.26, 8,105.73 and 2,119.26 is: 3,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.26 : 8,105.73 = 2,119.26 : x
  2. Step 2: Convert to fraction form
    5,407.26/8,105.73 = 2,119.26/x
  3. Step 3: Cross multiply
    5,407.26x = 8,105.73 × 2,119.26
  4. Step 4: Simplify right side
    5,407.26x = 17,178,149.36
  5. Step 5: Solve for x
    x = 17,178,149.36/5,407.26
  6. Step 6: Final answer
    x = 3,176.87

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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.