Home / 6,168.33-8,509.91-3,929.81

Finding the Fourth Proportional to 6,168.33, 8,509.91 and 3,929.81

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Solution

The fourth proportional to 6,168.33, 8,509.91 and 3,929.81 is: 5,421.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.33 : 8,509.91 = 3,929.81 : x
  2. Step 2: Convert to fraction form
    6,168.33/8,509.91 = 3,929.81/x
  3. Step 3: Cross multiply
    6,168.33x = 8,509.91 × 3,929.81
  4. Step 4: Simplify right side
    6,168.33x = 33,442,267.22
  5. Step 5: Solve for x
    x = 33,442,267.22/6,168.33
  6. Step 6: Final answer
    x = 5,421.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.