Home / 4,996.78-6,896.22-3,136.30

Finding the Fourth Proportional to 4,996.78, 6,896.22 and 3,136.30

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Solution

The fourth proportional to 4,996.78, 6,896.22 and 3,136.30 is: 4,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.78 : 6,896.22 = 3,136.30 : x
  2. Step 2: Convert to fraction form
    4,996.78/6,896.22 = 3,136.30/x
  3. Step 3: Cross multiply
    4,996.78x = 6,896.22 × 3,136.30
  4. Step 4: Simplify right side
    4,996.78x = 21,628,614.79
  5. Step 5: Solve for x
    x = 21,628,614.79/4,996.78
  6. Step 6: Final answer
    x = 4,328.51

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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.