Home / 4,961.37-7,438.69-1,839.68

Finding the Fourth Proportional to 4,961.37, 7,438.69 and 1,839.68

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Solution

The fourth proportional to 4,961.37, 7,438.69 and 1,839.68 is: 2,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.37 : 7,438.69 = 1,839.68 : x
  2. Step 2: Convert to fraction form
    4,961.37/7,438.69 = 1,839.68/x
  3. Step 3: Cross multiply
    4,961.37x = 7,438.69 × 1,839.68
  4. Step 4: Simplify right side
    4,961.37x = 13,684,830.12
  5. Step 5: Solve for x
    x = 13,684,830.12/4,961.37
  6. Step 6: Final answer
    x = 2,758.27

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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.