Home / 6,306.42-8,702.78-3,654.07

Finding the Fourth Proportional to 6,306.42, 8,702.78 and 3,654.07

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Solution

The fourth proportional to 6,306.42, 8,702.78 and 3,654.07 is: 5,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.42 : 8,702.78 = 3,654.07 : x
  2. Step 2: Convert to fraction form
    6,306.42/8,702.78 = 3,654.07/x
  3. Step 3: Cross multiply
    6,306.42x = 8,702.78 × 3,654.07
  4. Step 4: Simplify right side
    6,306.42x = 31,800,567.31
  5. Step 5: Solve for x
    x = 31,800,567.31/6,306.42
  6. Step 6: Final answer
    x = 5,042.57

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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.