Home / 6,342.79-8,755.21-3,692.43

Finding the Fourth Proportional to 6,342.79, 8,755.21 and 3,692.43

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Solution

The fourth proportional to 6,342.79, 8,755.21 and 3,692.43 is: 5,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.79 : 8,755.21 = 3,692.43 : x
  2. Step 2: Convert to fraction form
    6,342.79/8,755.21 = 3,692.43/x
  3. Step 3: Cross multiply
    6,342.79x = 8,755.21 × 3,692.43
  4. Step 4: Simplify right side
    6,342.79x = 32,327,971.84
  5. Step 5: Solve for x
    x = 32,327,971.84/6,342.79
  6. Step 6: Final answer
    x = 5,096.81

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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.