Home / 6,108.35-8,429.52-3,455.70

Finding the Fourth Proportional to 6,108.35, 8,429.52 and 3,455.70

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Solution

The fourth proportional to 6,108.35, 8,429.52 and 3,455.70 is: 4,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.35 : 8,429.52 = 3,455.70 : x
  2. Step 2: Convert to fraction form
    6,108.35/8,429.52 = 3,455.70/x
  3. Step 3: Cross multiply
    6,108.35x = 8,429.52 × 3,455.70
  4. Step 4: Simplify right side
    6,108.35x = 29,129,850.12
  5. Step 5: Solve for x
    x = 29,129,850.12/6,108.35
  6. Step 6: Final answer
    x = 4,768.86

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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.