Home / 8,812.24-13,218.41-2,968.90

Finding the Fourth Proportional to 8,812.24, 13,218.41 and 2,968.90

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Solution

The fourth proportional to 8,812.24, 13,218.41 and 2,968.90 is: 4,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.24 : 13,218.41 = 2,968.90 : x
  2. Step 2: Convert to fraction form
    8,812.24/13,218.41 = 2,968.90/x
  3. Step 3: Cross multiply
    8,812.24x = 13,218.41 × 2,968.90
  4. Step 4: Simplify right side
    8,812.24x = 39,244,137.45
  5. Step 5: Solve for x
    x = 39,244,137.45/8,812.24
  6. Step 6: Final answer
    x = 4,453.37

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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.