Home / 6,298.11-8,692.17-3,939.79

Finding the Fourth Proportional to 6,298.11, 8,692.17 and 3,939.79

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Solution

The fourth proportional to 6,298.11, 8,692.17 and 3,939.79 is: 5,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.11 : 8,692.17 = 3,939.79 : x
  2. Step 2: Convert to fraction form
    6,298.11/8,692.17 = 3,939.79/x
  3. Step 3: Cross multiply
    6,298.11x = 8,692.17 × 3,939.79
  4. Step 4: Simplify right side
    6,298.11x = 34,245,324.44
  5. Step 5: Solve for x
    x = 34,245,324.44/6,298.11
  6. Step 6: Final answer
    x = 5,437.40

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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.