Home / 4,878.87-7,310.64-3,771.00

Finding the Fourth Proportional to 4,878.87, 7,310.64 and 3,771.00

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Solution

The fourth proportional to 4,878.87, 7,310.64 and 3,771.00 is: 5,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.87 : 7,310.64 = 3,771.00 : x
  2. Step 2: Convert to fraction form
    4,878.87/7,310.64 = 3,771.00/x
  3. Step 3: Cross multiply
    4,878.87x = 7,310.64 × 3,771.00
  4. Step 4: Simplify right side
    4,878.87x = 27,568,447.86
  5. Step 5: Solve for x
    x = 27,568,447.86/4,878.87
  6. Step 6: Final answer
    x = 5,650.58

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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.