Home / 4,118.82-5,680.20-3,523.56

Finding the Fourth Proportional to 4,118.82, 5,680.20 and 3,523.56

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Solution

The fourth proportional to 4,118.82, 5,680.20 and 3,523.56 is: 4,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.82 : 5,680.20 = 3,523.56 : x
  2. Step 2: Convert to fraction form
    4,118.82/5,680.20 = 3,523.56/x
  3. Step 3: Cross multiply
    4,118.82x = 5,680.20 × 3,523.56
  4. Step 4: Simplify right side
    4,118.82x = 20,014,525.51
  5. Step 5: Solve for x
    x = 20,014,525.51/4,118.82
  6. Step 6: Final answer
    x = 4,859.29

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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.