Home / 4,971.81-6,860.97-2,733.60

Finding the Fourth Proportional to 4,971.81, 6,860.97 and 2,733.60

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Solution

The fourth proportional to 4,971.81, 6,860.97 and 2,733.60 is: 3,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.81 : 6,860.97 = 2,733.60 : x
  2. Step 2: Convert to fraction form
    4,971.81/6,860.97 = 2,733.60/x
  3. Step 3: Cross multiply
    4,971.81x = 6,860.97 × 2,733.60
  4. Step 4: Simplify right side
    4,971.81x = 18,755,147.59
  5. Step 5: Solve for x
    x = 18,755,147.59/4,971.81
  6. Step 6: Final answer
    x = 3,772.30

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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.