Home / 4,988.69-6,884.70-2,750.56

Finding the Fourth Proportional to 4,988.69, 6,884.70 and 2,750.56

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Solution

The fourth proportional to 4,988.69, 6,884.70 and 2,750.56 is: 3,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.69 : 6,884.70 = 2,750.56 : x
  2. Step 2: Convert to fraction form
    4,988.69/6,884.70 = 2,750.56/x
  3. Step 3: Cross multiply
    4,988.69x = 6,884.70 × 2,750.56
  4. Step 4: Simplify right side
    4,988.69x = 18,936,767.10
  5. Step 5: Solve for x
    x = 18,936,767.10/4,988.69
  6. Step 6: Final answer
    x = 3,795.94

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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.