Home / 5,410.28-8,105.09-3,212.34

Finding the Fourth Proportional to 5,410.28, 8,105.09 and 3,212.34

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Solution

The fourth proportional to 5,410.28, 8,105.09 and 3,212.34 is: 4,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.28 : 8,105.09 = 3,212.34 : x
  2. Step 2: Convert to fraction form
    5,410.28/8,105.09 = 3,212.34/x
  3. Step 3: Cross multiply
    5,410.28x = 8,105.09 × 3,212.34
  4. Step 4: Simplify right side
    5,410.28x = 26,036,288.75
  5. Step 5: Solve for x
    x = 26,036,288.75/5,410.28
  6. Step 6: Final answer
    x = 4,812.38

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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.