Home / 5,194.39-7,171.70-3,207.87

Finding the Fourth Proportional to 5,194.39, 7,171.70 and 3,207.87

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Solution

The fourth proportional to 5,194.39, 7,171.70 and 3,207.87 is: 4,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.39 : 7,171.70 = 3,207.87 : x
  2. Step 2: Convert to fraction form
    5,194.39/7,171.70 = 3,207.87/x
  3. Step 3: Cross multiply
    5,194.39x = 7,171.70 × 3,207.87
  4. Step 4: Simplify right side
    5,194.39x = 23,005,881.28
  5. Step 5: Solve for x
    x = 23,005,881.28/5,194.39
  6. Step 6: Final answer
    x = 4,428.99

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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.