Home / 5,236-7,849.32-2,118.32

Finding the Fourth Proportional to 5,236, 7,849.32 and 2,118.32

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Solution

The fourth proportional to 5,236, 7,849.32 and 2,118.32 is: 3,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236 : 7,849.32 = 2,118.32 : x
  2. Step 2: Convert to fraction form
    5,236/7,849.32 = 2,118.32/x
  3. Step 3: Cross multiply
    5,236x = 7,849.32 × 2,118.32
  4. Step 4: Simplify right side
    5,236x = 16,627,371.54
  5. Step 5: Solve for x
    x = 16,627,371.54/5,236
  6. Step 6: Final answer
    x = 3,175.59

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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.