Home / 4,018.84-5,540.88-3,308.20

Finding the Fourth Proportional to 4,018.84, 5,540.88 and 3,308.20

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Solution

The fourth proportional to 4,018.84, 5,540.88 and 3,308.20 is: 4,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.84 : 5,540.88 = 3,308.20 : x
  2. Step 2: Convert to fraction form
    4,018.84/5,540.88 = 3,308.20/x
  3. Step 3: Cross multiply
    4,018.84x = 5,540.88 × 3,308.20
  4. Step 4: Simplify right side
    4,018.84x = 18,330,339.22
  5. Step 5: Solve for x
    x = 18,330,339.22/4,018.84
  6. Step 6: Final answer
    x = 4,561.10

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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.