Home / 6,930.32-10,399.58-2,550.86

Finding the Fourth Proportional to 6,930.32, 10,399.58 and 2,550.86

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Solution

The fourth proportional to 6,930.32, 10,399.58 and 2,550.86 is: 3,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.32 : 10,399.58 = 2,550.86 : x
  2. Step 2: Convert to fraction form
    6,930.32/10,399.58 = 2,550.86/x
  3. Step 3: Cross multiply
    6,930.32x = 10,399.58 × 2,550.86
  4. Step 4: Simplify right side
    6,930.32x = 26,527,872.64
  5. Step 5: Solve for x
    x = 26,527,872.64/6,930.32
  6. Step 6: Final answer
    x = 3,827.80

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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.