Home / 5,480.80-8,216.70-2,363.20

Finding the Fourth Proportional to 5,480.80, 8,216.70 and 2,363.20

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Solution

The fourth proportional to 5,480.80, 8,216.70 and 2,363.20 is: 3,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.80 : 8,216.70 = 2,363.20 : x
  2. Step 2: Convert to fraction form
    5,480.80/8,216.70 = 2,363.20/x
  3. Step 3: Cross multiply
    5,480.80x = 8,216.70 × 2,363.20
  4. Step 4: Simplify right side
    5,480.80x = 19,417,705.44
  5. Step 5: Solve for x
    x = 19,417,705.44/5,480.80
  6. Step 6: Final answer
    x = 3,542.86

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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.