Home / 4,988.56-6,883.96-2,750.38

Finding the Fourth Proportional to 4,988.56, 6,883.96 and 2,750.38

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Solution

The fourth proportional to 4,988.56, 6,883.96 and 2,750.38 is: 3,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.56 : 6,883.96 = 2,750.38 : x
  2. Step 2: Convert to fraction form
    4,988.56/6,883.96 = 2,750.38/x
  3. Step 3: Cross multiply
    4,988.56x = 6,883.96 × 2,750.38
  4. Step 4: Simplify right side
    4,988.56x = 18,933,505.90
  5. Step 5: Solve for x
    x = 18,933,505.90/4,988.56
  6. Step 6: Final answer
    x = 3,795.39

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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.