Home / 5,704.58-7,871.83-3,186.64

Finding the Fourth Proportional to 5,704.58, 7,871.83 and 3,186.64

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Solution

The fourth proportional to 5,704.58, 7,871.83 and 3,186.64 is: 4,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.58 : 7,871.83 = 3,186.64 : x
  2. Step 2: Convert to fraction form
    5,704.58/7,871.83 = 3,186.64/x
  3. Step 3: Cross multiply
    5,704.58x = 7,871.83 × 3,186.64
  4. Step 4: Simplify right side
    5,704.58x = 25,084,708.15
  5. Step 5: Solve for x
    x = 25,084,708.15/5,704.58
  6. Step 6: Final answer
    x = 4,397.30

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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.