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Finding the Fourth Proportional to 8,222.63, 11,347.41 and 4,496.63

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Solution

The fourth proportional to 8,222.63, 11,347.41 and 4,496.63 is: 6,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.63 : 11,347.41 = 4,496.63 : x
  2. Step 2: Convert to fraction form
    8,222.63/11,347.41 = 4,496.63/x
  3. Step 3: Cross multiply
    8,222.63x = 11,347.41 × 4,496.63
  4. Step 4: Simplify right side
    8,222.63x = 51,025,047.49
  5. Step 5: Solve for x
    x = 51,025,047.49/8,222.63
  6. Step 6: Final answer
    x = 6,205.45

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Half scale
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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.