Home / 5,110.48-7,668.67-2,148.69

Finding the Fourth Proportional to 5,110.48, 7,668.67 and 2,148.69

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Solution

The fourth proportional to 5,110.48, 7,668.67 and 2,148.69 is: 3,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.48 : 7,668.67 = 2,148.69 : x
  2. Step 2: Convert to fraction form
    5,110.48/7,668.67 = 2,148.69/x
  3. Step 3: Cross multiply
    5,110.48x = 7,668.67 × 2,148.69
  4. Step 4: Simplify right side
    5,110.48x = 16,477,594.54
  5. Step 5: Solve for x
    x = 16,477,594.54/5,110.48
  6. Step 6: Final answer
    x = 3,224.28

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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.