Home / 5,704.56-7,872.46-3,186.59

Finding the Fourth Proportional to 5,704.56, 7,872.46 and 3,186.59

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Solution

The fourth proportional to 5,704.56, 7,872.46 and 3,186.59 is: 4,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.56 : 7,872.46 = 3,186.59 : x
  2. Step 2: Convert to fraction form
    5,704.56/7,872.46 = 3,186.59/x
  3. Step 3: Cross multiply
    5,704.56x = 7,872.46 × 3,186.59
  4. Step 4: Simplify right side
    5,704.56x = 25,086,254.98
  5. Step 5: Solve for x
    x = 25,086,254.98/5,704.56
  6. Step 6: Final answer
    x = 4,397.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.