Home / 5,396.84-8,096.25-2,109.72

Finding the Fourth Proportional to 5,396.84, 8,096.25 and 2,109.72

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Solution

The fourth proportional to 5,396.84, 8,096.25 and 2,109.72 is: 3,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.84 : 8,096.25 = 2,109.72 : x
  2. Step 2: Convert to fraction form
    5,396.84/8,096.25 = 2,109.72/x
  3. Step 3: Cross multiply
    5,396.84x = 8,096.25 × 2,109.72
  4. Step 4: Simplify right side
    5,396.84x = 17,080,820.55
  5. Step 5: Solve for x
    x = 17,080,820.55/5,396.84
  6. Step 6: Final answer
    x = 3,164.97

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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.