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Finding the Fourth Proportional to 8,017.92, 11,065.14 and 4,480.92

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Solution

The fourth proportional to 8,017.92, 11,065.14 and 4,480.92 is: 6,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.92 : 11,065.14 = 4,480.92 : x
  2. Step 2: Convert to fraction form
    8,017.92/11,065.14 = 4,480.92/x
  3. Step 3: Cross multiply
    8,017.92x = 11,065.14 × 4,480.92
  4. Step 4: Simplify right side
    8,017.92x = 49,582,007.13
  5. Step 5: Solve for x
    x = 49,582,007.13/8,017.92
  6. Step 6: Final answer
    x = 6,183.90

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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.