Home / 5,480.18-8,215.34-1,969.37

Finding the Fourth Proportional to 5,480.18, 8,215.34 and 1,969.37

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Solution

The fourth proportional to 5,480.18, 8,215.34 and 1,969.37 is: 2,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.18 : 8,215.34 = 1,969.37 : x
  2. Step 2: Convert to fraction form
    5,480.18/8,215.34 = 1,969.37/x
  3. Step 3: Cross multiply
    5,480.18x = 8,215.34 × 1,969.37
  4. Step 4: Simplify right side
    5,480.18x = 16,179,007.98
  5. Step 5: Solve for x
    x = 16,179,007.98/5,480.18
  6. Step 6: Final answer
    x = 2,952.28

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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.