Home / 6,470.97-9,704.40-2,772.21

Finding the Fourth Proportional to 6,470.97, 9,704.40 and 2,772.21

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Solution

The fourth proportional to 6,470.97, 9,704.40 and 2,772.21 is: 4,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.97 : 9,704.40 = 2,772.21 : x
  2. Step 2: Convert to fraction form
    6,470.97/9,704.40 = 2,772.21/x
  3. Step 3: Cross multiply
    6,470.97x = 9,704.40 × 2,772.21
  4. Step 4: Simplify right side
    6,470.97x = 26,902,634.72
  5. Step 5: Solve for x
    x = 26,902,634.72/6,470.97
  6. Step 6: Final answer
    x = 4,157.43

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1.5x scale

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.