Home / 6,108.92-8,429.80-3,455.72

Finding the Fourth Proportional to 6,108.92, 8,429.80 and 3,455.72

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Solution

The fourth proportional to 6,108.92, 8,429.80 and 3,455.72 is: 4,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.92 : 8,429.80 = 3,455.72 : x
  2. Step 2: Convert to fraction form
    6,108.92/8,429.80 = 3,455.72/x
  3. Step 3: Cross multiply
    6,108.92x = 8,429.80 × 3,455.72
  4. Step 4: Simplify right side
    6,108.92x = 29,131,028.46
  5. Step 5: Solve for x
    x = 29,131,028.46/6,108.92
  6. Step 6: Final answer
    x = 4,768.61

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1.5x scale

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.