Home / 6,979.54-9,631.80-3,792.86

Finding the Fourth Proportional to 6,979.54, 9,631.80 and 3,792.86

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Solution

The fourth proportional to 6,979.54, 9,631.80 and 3,792.86 is: 5,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.54 : 9,631.80 = 3,792.86 : x
  2. Step 2: Convert to fraction form
    6,979.54/9,631.80 = 3,792.86/x
  3. Step 3: Cross multiply
    6,979.54x = 9,631.80 × 3,792.86
  4. Step 4: Simplify right side
    6,979.54x = 36,532,056.91
  5. Step 5: Solve for x
    x = 36,532,056.91/6,979.54
  6. Step 6: Final answer
    x = 5,234.17

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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.