Home / 6,900.20-9,516.66-4,103

Finding the Fourth Proportional to 6,900.20, 9,516.66 and 4,103

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Solution

The fourth proportional to 6,900.20, 9,516.66 and 4,103 is: 5,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.20 : 9,516.66 = 4,103 : x
  2. Step 2: Convert to fraction form
    6,900.20/9,516.66 = 4,103/x
  3. Step 3: Cross multiply
    6,900.20x = 9,516.66 × 4,103
  4. Step 4: Simplify right side
    6,900.20x = 39,046,855.98
  5. Step 5: Solve for x
    x = 39,046,855.98/6,900.20
  6. Step 6: Final answer
    x = 5,658.80

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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.