Home / 7,791.54-11,680.36-2,860.03

Finding the Fourth Proportional to 7,791.54, 11,680.36 and 2,860.03

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Solution

The fourth proportional to 7,791.54, 11,680.36 and 2,860.03 is: 4,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.54 : 11,680.36 = 2,860.03 : x
  2. Step 2: Convert to fraction form
    7,791.54/11,680.36 = 2,860.03/x
  3. Step 3: Cross multiply
    7,791.54x = 11,680.36 × 2,860.03
  4. Step 4: Simplify right side
    7,791.54x = 33,406,180.01
  5. Step 5: Solve for x
    x = 33,406,180.01/7,791.54
  6. Step 6: Final answer
    x = 4,287.49

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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.