Home / 7,391.89-11,086.44-3,175.88

Finding the Fourth Proportional to 7,391.89, 11,086.44 and 3,175.88

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Solution

The fourth proportional to 7,391.89, 11,086.44 and 3,175.88 is: 4,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.89 : 11,086.44 = 3,175.88 : x
  2. Step 2: Convert to fraction form
    7,391.89/11,086.44 = 3,175.88/x
  3. Step 3: Cross multiply
    7,391.89x = 11,086.44 × 3,175.88
  4. Step 4: Simplify right side
    7,391.89x = 35,209,203.07
  5. Step 5: Solve for x
    x = 35,209,203.07/7,391.89
  6. Step 6: Final answer
    x = 4,763.22

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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.