Home / 6,689.18-9,230.96-3,704.94

Finding the Fourth Proportional to 6,689.18, 9,230.96 and 3,704.94

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Solution

The fourth proportional to 6,689.18, 9,230.96 and 3,704.94 is: 5,112.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.18 : 9,230.96 = 3,704.94 : x
  2. Step 2: Convert to fraction form
    6,689.18/9,230.96 = 3,704.94/x
  3. Step 3: Cross multiply
    6,689.18x = 9,230.96 × 3,704.94
  4. Step 4: Simplify right side
    6,689.18x = 34,200,162.20
  5. Step 5: Solve for x
    x = 34,200,162.20/6,689.18
  6. Step 6: Final answer
    x = 5,112.76

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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.