Home / 4,988.78-6,884.56-2,750.73

Finding the Fourth Proportional to 4,988.78, 6,884.56 and 2,750.73

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Solution

The fourth proportional to 4,988.78, 6,884.56 and 2,750.73 is: 3,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.78 : 6,884.56 = 2,750.73 : x
  2. Step 2: Convert to fraction form
    4,988.78/6,884.56 = 2,750.73/x
  3. Step 3: Cross multiply
    4,988.78x = 6,884.56 × 2,750.73
  4. Step 4: Simplify right side
    4,988.78x = 18,937,558.85
  5. Step 5: Solve for x
    x = 18,937,558.85/4,988.78
  6. Step 6: Final answer
    x = 3,796.03

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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.