Home / 5,406.68-8,110.08-1,896.54

Finding the Fourth Proportional to 5,406.68, 8,110.08 and 1,896.54

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Solution

The fourth proportional to 5,406.68, 8,110.08 and 1,896.54 is: 2,844.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.68 : 8,110.08 = 1,896.54 : x
  2. Step 2: Convert to fraction form
    5,406.68/8,110.08 = 1,896.54/x
  3. Step 3: Cross multiply
    5,406.68x = 8,110.08 × 1,896.54
  4. Step 4: Simplify right side
    5,406.68x = 15,381,091.12
  5. Step 5: Solve for x
    x = 15,381,091.12/5,406.68
  6. Step 6: Final answer
    x = 2,844.83

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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.