Home / 7,178.34-10,767.51-2,734.97

Finding the Fourth Proportional to 7,178.34, 10,767.51 and 2,734.97

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Solution

The fourth proportional to 7,178.34, 10,767.51 and 2,734.97 is: 4,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.34 : 10,767.51 = 2,734.97 : x
  2. Step 2: Convert to fraction form
    7,178.34/10,767.51 = 2,734.97/x
  3. Step 3: Cross multiply
    7,178.34x = 10,767.51 × 2,734.97
  4. Step 4: Simplify right side
    7,178.34x = 29,448,813.62
  5. Step 5: Solve for x
    x = 29,448,813.62/7,178.34
  6. Step 6: Final answer
    x = 4,102.45

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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.