Home / 4,015.82-5,539.05-3,685.34

Finding the Fourth Proportional to 4,015.82, 5,539.05 and 3,685.34

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Solution

The fourth proportional to 4,015.82, 5,539.05 and 3,685.34 is: 5,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.82 : 5,539.05 = 3,685.34 : x
  2. Step 2: Convert to fraction form
    4,015.82/5,539.05 = 3,685.34/x
  3. Step 3: Cross multiply
    4,015.82x = 5,539.05 × 3,685.34
  4. Step 4: Simplify right side
    4,015.82x = 20,413,282.53
  5. Step 5: Solve for x
    x = 20,413,282.53/4,015.82
  6. Step 6: Final answer
    x = 5,083.22

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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.