Home / 6,890.28-10,329.15-2,506.71

Finding the Fourth Proportional to 6,890.28, 10,329.15 and 2,506.71

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Solution

The fourth proportional to 6,890.28, 10,329.15 and 2,506.71 is: 3,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.28 : 10,329.15 = 2,506.71 : x
  2. Step 2: Convert to fraction form
    6,890.28/10,329.15 = 2,506.71/x
  3. Step 3: Cross multiply
    6,890.28x = 10,329.15 × 2,506.71
  4. Step 4: Simplify right side
    6,890.28x = 25,892,183.60
  5. Step 5: Solve for x
    x = 25,892,183.60/6,890.28
  6. Step 6: Final answer
    x = 3,757.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.