Home / 5,274.39-7,278.97-3,036.21

Finding the Fourth Proportional to 5,274.39, 7,278.97 and 3,036.21

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Solution

The fourth proportional to 5,274.39, 7,278.97 and 3,036.21 is: 4,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.39 : 7,278.97 = 3,036.21 : x
  2. Step 2: Convert to fraction form
    5,274.39/7,278.97 = 3,036.21/x
  3. Step 3: Cross multiply
    5,274.39x = 7,278.97 × 3,036.21
  4. Step 4: Simplify right side
    5,274.39x = 22,100,481.50
  5. Step 5: Solve for x
    x = 22,100,481.50/5,274.39
  6. Step 6: Final answer
    x = 4,190.15

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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.