Home / 5,446.53-8,170.70-2,159.64

Finding the Fourth Proportional to 5,446.53, 8,170.70 and 2,159.64

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Solution

The fourth proportional to 5,446.53, 8,170.70 and 2,159.64 is: 3,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.53 : 8,170.70 = 2,159.64 : x
  2. Step 2: Convert to fraction form
    5,446.53/8,170.70 = 2,159.64/x
  3. Step 3: Cross multiply
    5,446.53x = 8,170.70 × 2,159.64
  4. Step 4: Simplify right side
    5,446.53x = 17,645,759.75
  5. Step 5: Solve for x
    x = 17,645,759.75/5,446.53
  6. Step 6: Final answer
    x = 3,239.82

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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.