Home / 4,860.72-7,285.41-1,939.86

Finding the Fourth Proportional to 4,860.72, 7,285.41 and 1,939.86

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Solution

The fourth proportional to 4,860.72, 7,285.41 and 1,939.86 is: 2,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.72 : 7,285.41 = 1,939.86 : x
  2. Step 2: Convert to fraction form
    4,860.72/7,285.41 = 1,939.86/x
  3. Step 3: Cross multiply
    4,860.72x = 7,285.41 × 1,939.86
  4. Step 4: Simplify right side
    4,860.72x = 14,132,675.44
  5. Step 5: Solve for x
    x = 14,132,675.44/4,860.72
  6. Step 6: Final answer
    x = 2,907.53

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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.