Home / 4,015.13-5,540.94-2,421.75

Finding the Fourth Proportional to 4,015.13, 5,540.94 and 2,421.75

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Solution

The fourth proportional to 4,015.13, 5,540.94 and 2,421.75 is: 3,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.13 : 5,540.94 = 2,421.75 : x
  2. Step 2: Convert to fraction form
    4,015.13/5,540.94 = 2,421.75/x
  3. Step 3: Cross multiply
    4,015.13x = 5,540.94 × 2,421.75
  4. Step 4: Simplify right side
    4,015.13x = 13,418,771.45
  5. Step 5: Solve for x
    x = 13,418,771.45/4,015.13
  6. Step 6: Final answer
    x = 3,342.06

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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.