Home / 6,761.91-10,143.83-2,082.32

Finding the Fourth Proportional to 6,761.91, 10,143.83 and 2,082.32

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Solution

The fourth proportional to 6,761.91, 10,143.83 and 2,082.32 is: 3,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,761.91 : 10,143.83 = 2,082.32 : x
  2. Step 2: Convert to fraction form
    6,761.91/10,143.83 = 2,082.32/x
  3. Step 3: Cross multiply
    6,761.91x = 10,143.83 × 2,082.32
  4. Step 4: Simplify right side
    6,761.91x = 21,122,692.61
  5. Step 5: Solve for x
    x = 21,122,692.61/6,761.91
  6. Step 6: Final answer
    x = 3,123.77

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1.5x scale

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.