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Finding the Fourth Proportional to 6,306.88, 8,703.36 and 3,654.40

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Solution

The fourth proportional to 6,306.88, 8,703.36 and 3,654.40 is: 5,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.88 : 8,703.36 = 3,654.40 : x
  2. Step 2: Convert to fraction form
    6,306.88/8,703.36 = 3,654.40/x
  3. Step 3: Cross multiply
    6,306.88x = 8,703.36 × 3,654.40
  4. Step 4: Simplify right side
    6,306.88x = 31,805,558.78
  5. Step 5: Solve for x
    x = 31,805,558.78/6,306.88
  6. Step 6: Final answer
    x = 5,042.99

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1.5x scale

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.