Home / 8,423.44-12,629.75-3,496.48

Finding the Fourth Proportional to 8,423.44, 12,629.75 and 3,496.48

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Solution

The fourth proportional to 8,423.44, 12,629.75 and 3,496.48 is: 5,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.44 : 12,629.75 = 3,496.48 : x
  2. Step 2: Convert to fraction form
    8,423.44/12,629.75 = 3,496.48/x
  3. Step 3: Cross multiply
    8,423.44x = 12,629.75 × 3,496.48
  4. Step 4: Simplify right side
    8,423.44x = 44,159,668.28
  5. Step 5: Solve for x
    x = 44,159,668.28/8,423.44
  6. Step 6: Final answer
    x = 5,242.47

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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.