Home / 8,728.91-13,082.97-6,082.09

Finding the Fourth Proportional to 8,728.91, 13,082.97 and 6,082.09

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Solution

The fourth proportional to 8,728.91, 13,082.97 and 6,082.09 is: 9,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.91 : 13,082.97 = 6,082.09 : x
  2. Step 2: Convert to fraction form
    8,728.91/13,082.97 = 6,082.09/x
  3. Step 3: Cross multiply
    8,728.91x = 13,082.97 × 6,082.09
  4. Step 4: Simplify right side
    8,728.91x = 79,571,801.01
  5. Step 5: Solve for x
    x = 79,571,801.01/8,728.91
  6. Step 6: Final answer
    x = 9,115.89

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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.