Home / 5,161.08-7,742.03-2,040.87

Finding the Fourth Proportional to 5,161.08, 7,742.03 and 2,040.87

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Solution

The fourth proportional to 5,161.08, 7,742.03 and 2,040.87 is: 3,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.08 : 7,742.03 = 2,040.87 : x
  2. Step 2: Convert to fraction form
    5,161.08/7,742.03 = 2,040.87/x
  3. Step 3: Cross multiply
    5,161.08x = 7,742.03 × 2,040.87
  4. Step 4: Simplify right side
    5,161.08x = 15,800,466.56
  5. Step 5: Solve for x
    x = 15,800,466.56/5,161.08
  6. Step 6: Final answer
    x = 3,061.47

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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.