Home / 7,157.29-10,734.69-1,892.36

Finding the Fourth Proportional to 7,157.29, 10,734.69 and 1,892.36

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Solution

The fourth proportional to 7,157.29, 10,734.69 and 1,892.36 is: 2,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.29 : 10,734.69 = 1,892.36 : x
  2. Step 2: Convert to fraction form
    7,157.29/10,734.69 = 1,892.36/x
  3. Step 3: Cross multiply
    7,157.29x = 10,734.69 × 1,892.36
  4. Step 4: Simplify right side
    7,157.29x = 20,313,897.97
  5. Step 5: Solve for x
    x = 20,313,897.97/7,157.29
  6. Step 6: Final answer
    x = 2,838.21

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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.