Home / 7,161.24-10,741.86-1,968.60

Finding the Fourth Proportional to 7,161.24, 10,741.86 and 1,968.60

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Solution

The fourth proportional to 7,161.24, 10,741.86 and 1,968.60 is: 2,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.24 : 10,741.86 = 1,968.60 : x
  2. Step 2: Convert to fraction form
    7,161.24/10,741.86 = 1,968.60/x
  3. Step 3: Cross multiply
    7,161.24x = 10,741.86 × 1,968.60
  4. Step 4: Simplify right side
    7,161.24x = 21,146,425.60
  5. Step 5: Solve for x
    x = 21,146,425.60/7,161.24
  6. Step 6: Final answer
    x = 2,952.90

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Similar ratio
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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.