Home / 5,611.19-8,418.00-2,148.44

Finding the Fourth Proportional to 5,611.19, 8,418.00 and 2,148.44

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Solution

The fourth proportional to 5,611.19, 8,418.00 and 2,148.44 is: 3,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.19 : 8,418.00 = 2,148.44 : x
  2. Step 2: Convert to fraction form
    5,611.19/8,418.00 = 2,148.44/x
  3. Step 3: Cross multiply
    5,611.19x = 8,418.00 × 2,148.44
  4. Step 4: Simplify right side
    5,611.19x = 18,085,541.50
  5. Step 5: Solve for x
    x = 18,085,541.50/5,611.19
  6. Step 6: Final answer
    x = 3,223.12

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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.