Home / 5,049.91-6,968.89-2,812.22

Finding the Fourth Proportional to 5,049.91, 6,968.89 and 2,812.22

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Solution

The fourth proportional to 5,049.91, 6,968.89 and 2,812.22 is: 3,880.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.91 : 6,968.89 = 2,812.22 : x
  2. Step 2: Convert to fraction form
    5,049.91/6,968.89 = 2,812.22/x
  3. Step 3: Cross multiply
    5,049.91x = 6,968.89 × 2,812.22
  4. Step 4: Simplify right side
    5,049.91x = 19,598,030.82
  5. Step 5: Solve for x
    x = 19,598,030.82/5,049.91
  6. Step 6: Final answer
    x = 3,880.87

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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.