Home / 4,087.44-5,643.56-3,192.19

Finding the Fourth Proportional to 4,087.44, 5,643.56 and 3,192.19

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Solution

The fourth proportional to 4,087.44, 5,643.56 and 3,192.19 is: 4,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.44 : 5,643.56 = 3,192.19 : x
  2. Step 2: Convert to fraction form
    4,087.44/5,643.56 = 3,192.19/x
  3. Step 3: Cross multiply
    4,087.44x = 5,643.56 × 3,192.19
  4. Step 4: Simplify right side
    4,087.44x = 18,015,301.69
  5. Step 5: Solve for x
    x = 18,015,301.69/4,087.44
  6. Step 6: Final answer
    x = 4,407.48

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Half scale
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Double scale
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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.