Home / 4,988.70-6,884.46-2,750.58

Finding the Fourth Proportional to 4,988.70, 6,884.46 and 2,750.58

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Solution

The fourth proportional to 4,988.70, 6,884.46 and 2,750.58 is: 3,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.70 : 6,884.46 = 2,750.58 : x
  2. Step 2: Convert to fraction form
    4,988.70/6,884.46 = 2,750.58/x
  3. Step 3: Cross multiply
    4,988.70x = 6,884.46 × 2,750.58
  4. Step 4: Simplify right side
    4,988.70x = 18,936,257.99
  5. Step 5: Solve for x
    x = 18,936,257.99/4,988.70
  6. Step 6: Final answer
    x = 3,795.83

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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.