Home / 4,889.90-7,328.00-2,668.73

Finding the Fourth Proportional to 4,889.90, 7,328.00 and 2,668.73

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Solution

The fourth proportional to 4,889.90, 7,328.00 and 2,668.73 is: 3,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.90 : 7,328.00 = 2,668.73 : x
  2. Step 2: Convert to fraction form
    4,889.90/7,328.00 = 2,668.73/x
  3. Step 3: Cross multiply
    4,889.90x = 7,328.00 × 2,668.73
  4. Step 4: Simplify right side
    4,889.90x = 19,556,423.47
  5. Step 5: Solve for x
    x = 19,556,423.47/4,889.90
  6. Step 6: Final answer
    x = 3,999.35

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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.