Home / 8,272.36-12,406.44-3,340.54

Finding the Fourth Proportional to 8,272.36, 12,406.44 and 3,340.54

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Solution

The fourth proportional to 8,272.36, 12,406.44 and 3,340.54 is: 5,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.36 : 12,406.44 = 3,340.54 : x
  2. Step 2: Convert to fraction form
    8,272.36/12,406.44 = 3,340.54/x
  3. Step 3: Cross multiply
    8,272.36x = 12,406.44 × 3,340.54
  4. Step 4: Simplify right side
    8,272.36x = 41,444,209.08
  5. Step 5: Solve for x
    x = 41,444,209.08/8,272.36
  6. Step 6: Final answer
    x = 5,009.96

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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.