Home / 4,189.18-5,775.99-3,620.99

Finding the Fourth Proportional to 4,189.18, 5,775.99 and 3,620.99

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Solution

The fourth proportional to 4,189.18, 5,775.99 and 3,620.99 is: 4,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.18 : 5,775.99 = 3,620.99 : x
  2. Step 2: Convert to fraction form
    4,189.18/5,775.99 = 3,620.99/x
  3. Step 3: Cross multiply
    4,189.18x = 5,775.99 × 3,620.99
  4. Step 4: Simplify right side
    4,189.18x = 20,914,802.03
  5. Step 5: Solve for x
    x = 20,914,802.03/4,189.18
  6. Step 6: Final answer
    x = 4,992.58

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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.