Home / 5,736.51-7,908.39-3,844.80

Finding the Fourth Proportional to 5,736.51, 7,908.39 and 3,844.80

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Solution

The fourth proportional to 5,736.51, 7,908.39 and 3,844.80 is: 5,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.51 : 7,908.39 = 3,844.80 : x
  2. Step 2: Convert to fraction form
    5,736.51/7,908.39 = 3,844.80/x
  3. Step 3: Cross multiply
    5,736.51x = 7,908.39 × 3,844.80
  4. Step 4: Simplify right side
    5,736.51x = 30,406,177.87
  5. Step 5: Solve for x
    x = 30,406,177.87/5,736.51
  6. Step 6: Final answer
    x = 5,300.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.