Home / 7,170.44-10,755.92-3,420.27

Finding the Fourth Proportional to 7,170.44, 10,755.92 and 3,420.27

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Solution

The fourth proportional to 7,170.44, 10,755.92 and 3,420.27 is: 5,130.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.44 : 10,755.92 = 3,420.27 : x
  2. Step 2: Convert to fraction form
    7,170.44/10,755.92 = 3,420.27/x
  3. Step 3: Cross multiply
    7,170.44x = 10,755.92 × 3,420.27
  4. Step 4: Simplify right side
    7,170.44x = 36,788,159.05
  5. Step 5: Solve for x
    x = 36,788,159.05/7,170.44
  6. Step 6: Final answer
    x = 5,130.53

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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.