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Finding the Fourth Proportional to 22,220.78, 33,331.11 and 5,804.78

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Solution

The fourth proportional to 22,220.78, 33,331.11 and 5,804.78 is: 8,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.78 : 33,331.11 = 5,804.78 : x
  2. Step 2: Convert to fraction form
    22,220.78/33,331.11 = 5,804.78/x
  3. Step 3: Cross multiply
    22,220.78x = 33,331.11 × 5,804.78
  4. Step 4: Simplify right side
    22,220.78x = 193,479,760.71
  5. Step 5: Solve for x
    x = 193,479,760.71/22,220.78
  6. Step 6: Final answer
    x = 8,707.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.