Home / 6,800.85-9,385.82-4,150.94

Finding the Fourth Proportional to 6,800.85, 9,385.82 and 4,150.94

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Solution

The fourth proportional to 6,800.85, 9,385.82 and 4,150.94 is: 5,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.85 : 9,385.82 = 4,150.94 : x
  2. Step 2: Convert to fraction form
    6,800.85/9,385.82 = 4,150.94/x
  3. Step 3: Cross multiply
    6,800.85x = 9,385.82 × 4,150.94
  4. Step 4: Simplify right side
    6,800.85x = 38,959,907.99
  5. Step 5: Solve for x
    x = 38,959,907.99/6,800.85
  6. Step 6: Final answer
    x = 5,728.68

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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.