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Finding the Fourth Proportional to 8,166.84, 12,249.42 and 2,624.16

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Solution

The fourth proportional to 8,166.84, 12,249.42 and 2,624.16 is: 3,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.84 : 12,249.42 = 2,624.16 : x
  2. Step 2: Convert to fraction form
    8,166.84/12,249.42 = 2,624.16/x
  3. Step 3: Cross multiply
    8,166.84x = 12,249.42 × 2,624.16
  4. Step 4: Simplify right side
    8,166.84x = 32,144,437.99
  5. Step 5: Solve for x
    x = 32,144,437.99/8,166.84
  6. Step 6: Final answer
    x = 3,935.97

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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.