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Finding the Fourth Proportional to 8,162.66, 11,267.01 and 4,805.21

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Solution

The fourth proportional to 8,162.66, 11,267.01 and 4,805.21 is: 6,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.66 : 11,267.01 = 4,805.21 : x
  2. Step 2: Convert to fraction form
    8,162.66/11,267.01 = 4,805.21/x
  3. Step 3: Cross multiply
    8,162.66x = 11,267.01 × 4,805.21
  4. Step 4: Simplify right side
    8,162.66x = 54,140,292.79
  5. Step 5: Solve for x
    x = 54,140,292.79/8,162.66
  6. Step 6: Final answer
    x = 6,632.68

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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.