Home / 5,137.25-7,704.59-1,438.52

Finding the Fourth Proportional to 5,137.25, 7,704.59 and 1,438.52

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Solution

The fourth proportional to 5,137.25, 7,704.59 and 1,438.52 is: 2,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.25 : 7,704.59 = 1,438.52 : x
  2. Step 2: Convert to fraction form
    5,137.25/7,704.59 = 1,438.52/x
  3. Step 3: Cross multiply
    5,137.25x = 7,704.59 × 1,438.52
  4. Step 4: Simplify right side
    5,137.25x = 11,083,161.09
  5. Step 5: Solve for x
    x = 11,083,161.09/5,137.25
  6. Step 6: Final answer
    x = 2,157.41

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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.