Home / 7,290.60-10,926.73-3,958.80

Finding the Fourth Proportional to 7,290.60, 10,926.73 and 3,958.80

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Solution

The fourth proportional to 7,290.60, 10,926.73 and 3,958.80 is: 5,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.60 : 10,926.73 = 3,958.80 : x
  2. Step 2: Convert to fraction form
    7,290.60/10,926.73 = 3,958.80/x
  3. Step 3: Cross multiply
    7,290.60x = 10,926.73 × 3,958.80
  4. Step 4: Simplify right side
    7,290.60x = 43,256,738.72
  5. Step 5: Solve for x
    x = 43,256,738.72/7,290.60
  6. Step 6: Final answer
    x = 5,933.22

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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.