Home / 4,015.44-5,529-3,515.28

Finding the Fourth Proportional to 4,015.44, 5,529 and 3,515.28

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Solution

The fourth proportional to 4,015.44, 5,529 and 3,515.28 is: 4,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.44 : 5,529 = 3,515.28 : x
  2. Step 2: Convert to fraction form
    4,015.44/5,529 = 3,515.28/x
  3. Step 3: Cross multiply
    4,015.44x = 5,529 × 3,515.28
  4. Step 4: Simplify right side
    4,015.44x = 19,435,983.12
  5. Step 5: Solve for x
    x = 19,435,983.12/4,015.44
  6. Step 6: Final answer
    x = 4,840.31

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1.5x scale

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.