Home / 5,112.95-7,668.67-3,276.91

Finding the Fourth Proportional to 5,112.95, 7,668.67 and 3,276.91

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Solution

The fourth proportional to 5,112.95, 7,668.67 and 3,276.91 is: 4,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.95 : 7,668.67 = 3,276.91 : x
  2. Step 2: Convert to fraction form
    5,112.95/7,668.67 = 3,276.91/x
  3. Step 3: Cross multiply
    5,112.95x = 7,668.67 × 3,276.91
  4. Step 4: Simplify right side
    5,112.95x = 25,129,514.05
  5. Step 5: Solve for x
    x = 25,129,514.05/5,112.95
  6. Step 6: Final answer
    x = 4,914.87

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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.