Home / 8,940.24-13,407.16-3,395.09

Finding the Fourth Proportional to 8,940.24, 13,407.16 and 3,395.09

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Solution

The fourth proportional to 8,940.24, 13,407.16 and 3,395.09 is: 5,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.24 : 13,407.16 = 3,395.09 : x
  2. Step 2: Convert to fraction form
    8,940.24/13,407.16 = 3,395.09/x
  3. Step 3: Cross multiply
    8,940.24x = 13,407.16 × 3,395.09
  4. Step 4: Simplify right side
    8,940.24x = 45,518,514.84
  5. Step 5: Solve for x
    x = 45,518,514.84/8,940.24
  6. Step 6: Final answer
    x = 5,091.42

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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.