Home / 4,054.47-6,080.79-1,861.09

Finding the Fourth Proportional to 4,054.47, 6,080.79 and 1,861.09

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Solution

The fourth proportional to 4,054.47, 6,080.79 and 1,861.09 is: 2,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.47 : 6,080.79 = 1,861.09 : x
  2. Step 2: Convert to fraction form
    4,054.47/6,080.79 = 1,861.09/x
  3. Step 3: Cross multiply
    4,054.47x = 6,080.79 × 1,861.09
  4. Step 4: Simplify right side
    4,054.47x = 11,316,912.97
  5. Step 5: Solve for x
    x = 11,316,912.97/4,054.47
  6. Step 6: Final answer
    x = 2,791.22

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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.