Home / 5,161.98-7,745.58-2,385.54

Finding the Fourth Proportional to 5,161.98, 7,745.58 and 2,385.54

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Solution

The fourth proportional to 5,161.98, 7,745.58 and 2,385.54 is: 3,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.98 : 7,745.58 = 2,385.54 : x
  2. Step 2: Convert to fraction form
    5,161.98/7,745.58 = 2,385.54/x
  3. Step 3: Cross multiply
    5,161.98x = 7,745.58 × 2,385.54
  4. Step 4: Simplify right side
    5,161.98x = 18,477,390.91
  5. Step 5: Solve for x
    x = 18,477,390.91/5,161.98
  6. Step 6: Final answer
    x = 3,579.52

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1.5x scale

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.