Home / 5,469.56-8,205.75-1,574.27

Finding the Fourth Proportional to 5,469.56, 8,205.75 and 1,574.27

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Solution

The fourth proportional to 5,469.56, 8,205.75 and 1,574.27 is: 2,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.56 : 8,205.75 = 1,574.27 : x
  2. Step 2: Convert to fraction form
    5,469.56/8,205.75 = 1,574.27/x
  3. Step 3: Cross multiply
    5,469.56x = 8,205.75 × 1,574.27
  4. Step 4: Simplify right side
    5,469.56x = 12,918,025.02
  5. Step 5: Solve for x
    x = 12,918,025.02/5,469.56
  6. Step 6: Final answer
    x = 2,361.81

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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.