Home / 5,579.25-8,370.09-2,116.50

Finding the Fourth Proportional to 5,579.25, 8,370.09 and 2,116.50

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Solution

The fourth proportional to 5,579.25, 8,370.09 and 2,116.50 is: 3,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.25 : 8,370.09 = 2,116.50 : x
  2. Step 2: Convert to fraction form
    5,579.25/8,370.09 = 2,116.50/x
  3. Step 3: Cross multiply
    5,579.25x = 8,370.09 × 2,116.50
  4. Step 4: Simplify right side
    5,579.25x = 17,715,295.49
  5. Step 5: Solve for x
    x = 17,715,295.49/5,579.25
  6. Step 6: Final answer
    x = 3,175.21

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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.