Home / 5,376.27-8,059.55-1,912.71

Finding the Fourth Proportional to 5,376.27, 8,059.55 and 1,912.71

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Solution

The fourth proportional to 5,376.27, 8,059.55 and 1,912.71 is: 2,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.27 : 8,059.55 = 1,912.71 : x
  2. Step 2: Convert to fraction form
    5,376.27/8,059.55 = 1,912.71/x
  3. Step 3: Cross multiply
    5,376.27x = 8,059.55 × 1,912.71
  4. Step 4: Simplify right side
    5,376.27x = 15,415,613.30
  5. Step 5: Solve for x
    x = 15,415,613.30/5,376.27
  6. Step 6: Final answer
    x = 2,867.34

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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.