Home / 4,371.21-6,028.32-2,878.56

Finding the Fourth Proportional to 4,371.21, 6,028.32 and 2,878.56

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Solution

The fourth proportional to 4,371.21, 6,028.32 and 2,878.56 is: 3,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,371.21 : 6,028.32 = 2,878.56 : x
  2. Step 2: Convert to fraction form
    4,371.21/6,028.32 = 2,878.56/x
  3. Step 3: Cross multiply
    4,371.21x = 6,028.32 × 2,878.56
  4. Step 4: Simplify right side
    4,371.21x = 17,352,880.82
  5. Step 5: Solve for x
    x = 17,352,880.82/4,371.21
  6. Step 6: Final answer
    x = 3,969.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.