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Finding the Fourth Proportional to 5,553.99, 8,326.86 and 3,362.20

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Solution

The fourth proportional to 5,553.99, 8,326.86 and 3,362.20 is: 5,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.99 : 8,326.86 = 3,362.20 : x
  2. Step 2: Convert to fraction form
    5,553.99/8,326.86 = 3,362.20/x
  3. Step 3: Cross multiply
    5,553.99x = 8,326.86 × 3,362.20
  4. Step 4: Simplify right side
    5,553.99x = 27,996,568.69
  5. Step 5: Solve for x
    x = 27,996,568.69/5,553.99
  6. Step 6: Final answer
    x = 5,040.80

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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.