Home / 6,688.97-9,230.86-3,704.85

Finding the Fourth Proportional to 6,688.97, 9,230.86 and 3,704.85

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Solution

The fourth proportional to 6,688.97, 9,230.86 and 3,704.85 is: 5,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.97 : 9,230.86 = 3,704.85 : x
  2. Step 2: Convert to fraction form
    6,688.97/9,230.86 = 3,704.85/x
  3. Step 3: Cross multiply
    6,688.97x = 9,230.86 × 3,704.85
  4. Step 4: Simplify right side
    6,688.97x = 34,198,977.02
  5. Step 5: Solve for x
    x = 34,198,977.02/6,688.97
  6. Step 6: Final answer
    x = 5,112.74

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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.