Home / 8,082.64-12,126.92-3,403.82

Finding the Fourth Proportional to 8,082.64, 12,126.92 and 3,403.82

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Solution

The fourth proportional to 8,082.64, 12,126.92 and 3,403.82 is: 5,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.64 : 12,126.92 = 3,403.82 : x
  2. Step 2: Convert to fraction form
    8,082.64/12,126.92 = 3,403.82/x
  3. Step 3: Cross multiply
    8,082.64x = 12,126.92 × 3,403.82
  4. Step 4: Simplify right side
    8,082.64x = 41,277,866.13
  5. Step 5: Solve for x
    x = 41,277,866.13/8,082.64
  6. Step 6: Final answer
    x = 5,106.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.