Home / 8,469.42-11,687.83-4,692.56

Finding the Fourth Proportional to 8,469.42, 11,687.83 and 4,692.56

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Solution

The fourth proportional to 8,469.42, 11,687.83 and 4,692.56 is: 6,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.42 : 11,687.83 = 4,692.56 : x
  2. Step 2: Convert to fraction form
    8,469.42/11,687.83 = 4,692.56/x
  3. Step 3: Cross multiply
    8,469.42x = 11,687.83 × 4,692.56
  4. Step 4: Simplify right side
    8,469.42x = 54,845,796.35
  5. Step 5: Solve for x
    x = 54,845,796.35/8,469.42
  6. Step 6: Final answer
    x = 6,475.74

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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.