Home / 7,087.22-10,629.60-1,891.88

Finding the Fourth Proportional to 7,087.22, 10,629.60 and 1,891.88

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Solution

The fourth proportional to 7,087.22, 10,629.60 and 1,891.88 is: 2,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.22 : 10,629.60 = 1,891.88 : x
  2. Step 2: Convert to fraction form
    7,087.22/10,629.60 = 1,891.88/x
  3. Step 3: Cross multiply
    7,087.22x = 10,629.60 × 1,891.88
  4. Step 4: Simplify right side
    7,087.22x = 20,109,874.50
  5. Step 5: Solve for x
    x = 20,109,874.50/7,087.22
  6. Step 6: Final answer
    x = 2,837.49

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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.