Home / 5,161.53-7,742.36-2,040.19

Finding the Fourth Proportional to 5,161.53, 7,742.36 and 2,040.19

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Solution

The fourth proportional to 5,161.53, 7,742.36 and 2,040.19 is: 3,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.53 : 7,742.36 = 2,040.19 : x
  2. Step 2: Convert to fraction form
    5,161.53/7,742.36 = 2,040.19/x
  3. Step 3: Cross multiply
    5,161.53x = 7,742.36 × 2,040.19
  4. Step 4: Simplify right side
    5,161.53x = 15,795,885.45
  5. Step 5: Solve for x
    x = 15,795,885.45/5,161.53
  6. Step 6: Final answer
    x = 3,060.31

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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.