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Finding the Fourth Proportional to 6,347.23, 8,754.96 and 3,958.27

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Solution

The fourth proportional to 6,347.23, 8,754.96 and 3,958.27 is: 5,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.23 : 8,754.96 = 3,958.27 : x
  2. Step 2: Convert to fraction form
    6,347.23/8,754.96 = 3,958.27/x
  3. Step 3: Cross multiply
    6,347.23x = 8,754.96 × 3,958.27
  4. Step 4: Simplify right side
    6,347.23x = 34,654,495.52
  5. Step 5: Solve for x
    x = 34,654,495.52/6,347.23
  6. Step 6: Final answer
    x = 5,459.78

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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.