Home / 5,550.40-8,326.56-2,265.28

Finding the Fourth Proportional to 5,550.40, 8,326.56 and 2,265.28

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Solution

The fourth proportional to 5,550.40, 8,326.56 and 2,265.28 is: 3,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.40 : 8,326.56 = 2,265.28 : x
  2. Step 2: Convert to fraction form
    5,550.40/8,326.56 = 2,265.28/x
  3. Step 3: Cross multiply
    5,550.40x = 8,326.56 × 2,265.28
  4. Step 4: Simplify right side
    5,550.40x = 18,861,989.84
  5. Step 5: Solve for x
    x = 18,861,989.84/5,550.40
  6. Step 6: Final answer
    x = 3,398.31

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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.