Home / 7,134.53-10,704.86-2,755.07

Finding the Fourth Proportional to 7,134.53, 10,704.86 and 2,755.07

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Solution

The fourth proportional to 7,134.53, 10,704.86 and 2,755.07 is: 4,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.53 : 10,704.86 = 2,755.07 : x
  2. Step 2: Convert to fraction form
    7,134.53/10,704.86 = 2,755.07/x
  3. Step 3: Cross multiply
    7,134.53x = 10,704.86 × 2,755.07
  4. Step 4: Simplify right side
    7,134.53x = 29,492,638.64
  5. Step 5: Solve for x
    x = 29,492,638.64/7,134.53
  6. Step 6: Final answer
    x = 4,133.79

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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.