Home / 5,811.36-8,021.78-3,576.22

Finding the Fourth Proportional to 5,811.36, 8,021.78 and 3,576.22

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Solution

The fourth proportional to 5,811.36, 8,021.78 and 3,576.22 is: 4,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.36 : 8,021.78 = 3,576.22 : x
  2. Step 2: Convert to fraction form
    5,811.36/8,021.78 = 3,576.22/x
  3. Step 3: Cross multiply
    5,811.36x = 8,021.78 × 3,576.22
  4. Step 4: Simplify right side
    5,811.36x = 28,687,650.07
  5. Step 5: Solve for x
    x = 28,687,650.07/5,811.36
  6. Step 6: Final answer
    x = 4,936.48

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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.