Home / 7,933.44-11,900.76-2,668.47

Finding the Fourth Proportional to 7,933.44, 11,900.76 and 2,668.47

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Solution

The fourth proportional to 7,933.44, 11,900.76 and 2,668.47 is: 4,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.44 : 11,900.76 = 2,668.47 : x
  2. Step 2: Convert to fraction form
    7,933.44/11,900.76 = 2,668.47/x
  3. Step 3: Cross multiply
    7,933.44x = 11,900.76 × 2,668.47
  4. Step 4: Simplify right side
    7,933.44x = 31,756,821.04
  5. Step 5: Solve for x
    x = 31,756,821.04/7,933.44
  6. Step 6: Final answer
    x = 4,002.91

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1.5x scale

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.