Home / 7,157.28-10,734.71-1,892.35

Finding the Fourth Proportional to 7,157.28, 10,734.71 and 1,892.35

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Solution

The fourth proportional to 7,157.28, 10,734.71 and 1,892.35 is: 2,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.28 : 10,734.71 = 1,892.35 : x
  2. Step 2: Convert to fraction form
    7,157.28/10,734.71 = 1,892.35/x
  3. Step 3: Cross multiply
    7,157.28x = 10,734.71 × 1,892.35
  4. Step 4: Simplify right side
    7,157.28x = 20,313,832.43
  5. Step 5: Solve for x
    x = 20,313,832.43/7,157.28
  6. Step 6: Final answer
    x = 2,838.20

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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.