Home / 5,049.68-6,968.50-2,811.70

Finding the Fourth Proportional to 5,049.68, 6,968.50 and 2,811.70

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Solution

The fourth proportional to 5,049.68, 6,968.50 and 2,811.70 is: 3,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.68 : 6,968.50 = 2,811.70 : x
  2. Step 2: Convert to fraction form
    5,049.68/6,968.50 = 2,811.70/x
  3. Step 3: Cross multiply
    5,049.68x = 6,968.50 × 2,811.70
  4. Step 4: Simplify right side
    5,049.68x = 19,593,331.45
  5. Step 5: Solve for x
    x = 19,593,331.45/5,049.68
  6. Step 6: Final answer
    x = 3,880.11

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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.