Home / 7,110.98-10,668.29-2,180.66

Finding the Fourth Proportional to 7,110.98, 10,668.29 and 2,180.66

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Solution

The fourth proportional to 7,110.98, 10,668.29 and 2,180.66 is: 3,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.98 : 10,668.29 = 2,180.66 : x
  2. Step 2: Convert to fraction form
    7,110.98/10,668.29 = 2,180.66/x
  3. Step 3: Cross multiply
    7,110.98x = 10,668.29 × 2,180.66
  4. Step 4: Simplify right side
    7,110.98x = 23,263,849.03
  5. Step 5: Solve for x
    x = 23,263,849.03/7,110.98
  6. Step 6: Final answer
    x = 3,271.54

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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.