Home / 8,964.88-13,449.24-3,418.20

Finding the Fourth Proportional to 8,964.88, 13,449.24 and 3,418.20

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Solution

The fourth proportional to 8,964.88, 13,449.24 and 3,418.20 is: 5,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.88 : 13,449.24 = 3,418.20 : x
  2. Step 2: Convert to fraction form
    8,964.88/13,449.24 = 3,418.20/x
  3. Step 3: Cross multiply
    8,964.88x = 13,449.24 × 3,418.20
  4. Step 4: Simplify right side
    8,964.88x = 45,972,192.17
  5. Step 5: Solve for x
    x = 45,972,192.17/8,964.88
  6. Step 6: Final answer
    x = 5,128.03

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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.