Home / 6,120.64-8,446.62-3,468.61

Finding the Fourth Proportional to 6,120.64, 8,446.62 and 3,468.61

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Solution

The fourth proportional to 6,120.64, 8,446.62 and 3,468.61 is: 4,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.64 : 8,446.62 = 3,468.61 : x
  2. Step 2: Convert to fraction form
    6,120.64/8,446.62 = 3,468.61/x
  3. Step 3: Cross multiply
    6,120.64x = 8,446.62 × 3,468.61
  4. Step 4: Simplify right side
    6,120.64x = 29,298,030.60
  5. Step 5: Solve for x
    x = 29,298,030.60/6,120.64
  6. Step 6: Final answer
    x = 4,786.76

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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.