Home / 8,818.36-13,220.97-3,815.44

Finding the Fourth Proportional to 8,818.36, 13,220.97 and 3,815.44

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Solution

The fourth proportional to 8,818.36, 13,220.97 and 3,815.44 is: 5,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.36 : 13,220.97 = 3,815.44 : x
  2. Step 2: Convert to fraction form
    8,818.36/13,220.97 = 3,815.44/x
  3. Step 3: Cross multiply
    8,818.36x = 13,220.97 × 3,815.44
  4. Step 4: Simplify right side
    8,818.36x = 50,443,817.78
  5. Step 5: Solve for x
    x = 50,443,817.78/8,818.36
  6. Step 6: Final answer
    x = 5,720.32

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1.5x scale

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.