Home / 6,828.64-9,423.78-3,845.02

Finding the Fourth Proportional to 6,828.64, 9,423.78 and 3,845.02

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Solution

The fourth proportional to 6,828.64, 9,423.78 and 3,845.02 is: 5,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.64 : 9,423.78 = 3,845.02 : x
  2. Step 2: Convert to fraction form
    6,828.64/9,423.78 = 3,845.02/x
  3. Step 3: Cross multiply
    6,828.64x = 9,423.78 × 3,845.02
  4. Step 4: Simplify right side
    6,828.64x = 36,234,622.58
  5. Step 5: Solve for x
    x = 36,234,622.58/6,828.64
  6. Step 6: Final answer
    x = 5,306.27

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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.