Home / 5,441.46-8,162.12-2,155.29

Finding the Fourth Proportional to 5,441.46, 8,162.12 and 2,155.29

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Solution

The fourth proportional to 5,441.46, 8,162.12 and 2,155.29 is: 3,232.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.46 : 8,162.12 = 2,155.29 : x
  2. Step 2: Convert to fraction form
    5,441.46/8,162.12 = 2,155.29/x
  3. Step 3: Cross multiply
    5,441.46x = 8,162.12 × 2,155.29
  4. Step 4: Simplify right side
    5,441.46x = 17,591,724.84
  5. Step 5: Solve for x
    x = 17,591,724.84/5,441.46
  6. Step 6: Final answer
    x = 3,232.91

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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.