Home / 8,138.49-11,225.39-4,996.41

Finding the Fourth Proportional to 8,138.49, 11,225.39 and 4,996.41

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Solution

The fourth proportional to 8,138.49, 11,225.39 and 4,996.41 is: 6,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.49 : 11,225.39 = 4,996.41 : x
  2. Step 2: Convert to fraction form
    8,138.49/11,225.39 = 4,996.41/x
  3. Step 3: Cross multiply
    8,138.49x = 11,225.39 × 4,996.41
  4. Step 4: Simplify right side
    8,138.49x = 56,086,625.87
  5. Step 5: Solve for x
    x = 56,086,625.87/8,138.49
  6. Step 6: Final answer
    x = 6,891.53

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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.