Home / 8,405.27-12,607.92-3,469.49

Finding the Fourth Proportional to 8,405.27, 12,607.92 and 3,469.49

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Solution

The fourth proportional to 8,405.27, 12,607.92 and 3,469.49 is: 5,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.27 : 12,607.92 = 3,469.49 : x
  2. Step 2: Convert to fraction form
    8,405.27/12,607.92 = 3,469.49/x
  3. Step 3: Cross multiply
    8,405.27x = 12,607.92 × 3,469.49
  4. Step 4: Simplify right side
    8,405.27x = 43,743,052.36
  5. Step 5: Solve for x
    x = 43,743,052.36/8,405.27
  6. Step 6: Final answer
    x = 5,204.24

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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.