Home / 5,118.37-7,671.24-2,651.77

Finding the Fourth Proportional to 5,118.37, 7,671.24 and 2,651.77

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Solution

The fourth proportional to 5,118.37, 7,671.24 and 2,651.77 is: 3,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.37 : 7,671.24 = 2,651.77 : x
  2. Step 2: Convert to fraction form
    5,118.37/7,671.24 = 2,651.77/x
  3. Step 3: Cross multiply
    5,118.37x = 7,671.24 × 2,651.77
  4. Step 4: Simplify right side
    5,118.37x = 20,342,364.09
  5. Step 5: Solve for x
    x = 20,342,364.09/5,118.37
  6. Step 6: Final answer
    x = 3,974.38

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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.