Home / 5,441.28-8,162.09-2,591.15

Finding the Fourth Proportional to 5,441.28, 8,162.09 and 2,591.15

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Solution

The fourth proportional to 5,441.28, 8,162.09 and 2,591.15 is: 3,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.28 : 8,162.09 = 2,591.15 : x
  2. Step 2: Convert to fraction form
    5,441.28/8,162.09 = 2,591.15/x
  3. Step 3: Cross multiply
    5,441.28x = 8,162.09 × 2,591.15
  4. Step 4: Simplify right side
    5,441.28x = 21,149,199.50
  5. Step 5: Solve for x
    x = 21,149,199.50/5,441.28
  6. Step 6: Final answer
    x = 3,886.81

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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.