Home / 5,712.43-7,881.37-3,194.19

Finding the Fourth Proportional to 5,712.43, 7,881.37 and 3,194.19

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Solution

The fourth proportional to 5,712.43, 7,881.37 and 3,194.19 is: 4,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.43 : 7,881.37 = 3,194.19 : x
  2. Step 2: Convert to fraction form
    5,712.43/7,881.37 = 3,194.19/x
  3. Step 3: Cross multiply
    5,712.43x = 7,881.37 × 3,194.19
  4. Step 4: Simplify right side
    5,712.43x = 25,174,593.24
  5. Step 5: Solve for x
    x = 25,174,593.24/5,712.43
  6. Step 6: Final answer
    x = 4,406.98

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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.