Home / 4,189.74-6,283.80-3,981.60

Finding the Fourth Proportional to 4,189.74, 6,283.80 and 3,981.60

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Solution

The fourth proportional to 4,189.74, 6,283.80 and 3,981.60 is: 5,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.74 : 6,283.80 = 3,981.60 : x
  2. Step 2: Convert to fraction form
    4,189.74/6,283.80 = 3,981.60/x
  3. Step 3: Cross multiply
    4,189.74x = 6,283.80 × 3,981.60
  4. Step 4: Simplify right side
    4,189.74x = 25,019,578.08
  5. Step 5: Solve for x
    x = 25,019,578.08/4,189.74
  6. Step 6: Final answer
    x = 5,971.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.