Home / 5,403.27-8,100.03-2,798.31

Finding the Fourth Proportional to 5,403.27, 8,100.03 and 2,798.31

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Solution

The fourth proportional to 5,403.27, 8,100.03 and 2,798.31 is: 4,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.27 : 8,100.03 = 2,798.31 : x
  2. Step 2: Convert to fraction form
    5,403.27/8,100.03 = 2,798.31/x
  3. Step 3: Cross multiply
    5,403.27x = 8,100.03 × 2,798.31
  4. Step 4: Simplify right side
    5,403.27x = 22,666,394.95
  5. Step 5: Solve for x
    x = 22,666,394.95/5,403.27
  6. Step 6: Final answer
    x = 4,194.94

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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.