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Finding the Fourth Proportional to 8,412.04, 12,618.11 and 2,568.65

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Solution

The fourth proportional to 8,412.04, 12,618.11 and 2,568.65 is: 3,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412.04 : 12,618.11 = 2,568.65 : x
  2. Step 2: Convert to fraction form
    8,412.04/12,618.11 = 2,568.65/x
  3. Step 3: Cross multiply
    8,412.04x = 12,618.11 × 2,568.65
  4. Step 4: Simplify right side
    8,412.04x = 32,411,508.25
  5. Step 5: Solve for x
    x = 32,411,508.25/8,412.04
  6. Step 6: Final answer
    x = 3,852.99

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Similar ratio
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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.