Home / 4,887.73-7,331.60-3,919.98

Finding the Fourth Proportional to 4,887.73, 7,331.60 and 3,919.98

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Solution

The fourth proportional to 4,887.73, 7,331.60 and 3,919.98 is: 5,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.73 : 7,331.60 = 3,919.98 : x
  2. Step 2: Convert to fraction form
    4,887.73/7,331.60 = 3,919.98/x
  3. Step 3: Cross multiply
    4,887.73x = 7,331.60 × 3,919.98
  4. Step 4: Simplify right side
    4,887.73x = 28,739,725.37
  5. Step 5: Solve for x
    x = 28,739,725.37/4,887.73
  6. Step 6: Final answer
    x = 5,879.97

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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.