Home / 5,028.40-6,940.68-3,260.12

Finding the Fourth Proportional to 5,028.40, 6,940.68 and 3,260.12

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Solution

The fourth proportional to 5,028.40, 6,940.68 and 3,260.12 is: 4,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.40 : 6,940.68 = 3,260.12 : x
  2. Step 2: Convert to fraction form
    5,028.40/6,940.68 = 3,260.12/x
  3. Step 3: Cross multiply
    5,028.40x = 6,940.68 × 3,260.12
  4. Step 4: Simplify right side
    5,028.40x = 22,627,449.68
  5. Step 5: Solve for x
    x = 22,627,449.68/5,028.40
  6. Step 6: Final answer
    x = 4,499.93

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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.