Home / 8,815.26-13,219.84-4,137.48

Finding the Fourth Proportional to 8,815.26, 13,219.84 and 4,137.48

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Solution

The fourth proportional to 8,815.26, 13,219.84 and 4,137.48 is: 6,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.26 : 13,219.84 = 4,137.48 : x
  2. Step 2: Convert to fraction form
    8,815.26/13,219.84 = 4,137.48/x
  3. Step 3: Cross multiply
    8,815.26x = 13,219.84 × 4,137.48
  4. Step 4: Simplify right side
    8,815.26x = 54,696,828.78
  5. Step 5: Solve for x
    x = 54,696,828.78/8,815.26
  6. Step 6: Final answer
    x = 6,204.79

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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.