Home / 8,620.43-11,896.07-5,082.35

Finding the Fourth Proportional to 8,620.43, 11,896.07 and 5,082.35

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Solution

The fourth proportional to 8,620.43, 11,896.07 and 5,082.35 is: 7,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.43 : 11,896.07 = 5,082.35 : x
  2. Step 2: Convert to fraction form
    8,620.43/11,896.07 = 5,082.35/x
  3. Step 3: Cross multiply
    8,620.43x = 11,896.07 × 5,082.35
  4. Step 4: Simplify right side
    8,620.43x = 60,459,906.47
  5. Step 5: Solve for x
    x = 60,459,906.47/8,620.43
  6. Step 6: Final answer
    x = 7,013.56

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1.5x scale

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.