Home / 6,830.43-9,425.40-3,845.72

Finding the Fourth Proportional to 6,830.43, 9,425.40 and 3,845.72

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Solution

The fourth proportional to 6,830.43, 9,425.40 and 3,845.72 is: 5,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.43 : 9,425.40 = 3,845.72 : x
  2. Step 2: Convert to fraction form
    6,830.43/9,425.40 = 3,845.72/x
  3. Step 3: Cross multiply
    6,830.43x = 9,425.40 × 3,845.72
  4. Step 4: Simplify right side
    6,830.43x = 36,247,402.16
  5. Step 5: Solve for x
    x = 36,247,402.16/6,830.43
  6. Step 6: Final answer
    x = 5,306.75

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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.