Home / 5,118.66-7,676.57-2,196.32

Finding the Fourth Proportional to 5,118.66, 7,676.57 and 2,196.32

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Solution

The fourth proportional to 5,118.66, 7,676.57 and 2,196.32 is: 3,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.66 : 7,676.57 = 2,196.32 : x
  2. Step 2: Convert to fraction form
    5,118.66/7,676.57 = 2,196.32/x
  3. Step 3: Cross multiply
    5,118.66x = 7,676.57 × 2,196.32
  4. Step 4: Simplify right side
    5,118.66x = 16,860,171.33
  5. Step 5: Solve for x
    x = 16,860,171.33/5,118.66
  6. Step 6: Final answer
    x = 3,293.86

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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.