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Finding the Fourth Proportional to 8,268.92, 12,426.08 and 4,376.08

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Solution

The fourth proportional to 8,268.92, 12,426.08 and 4,376.08 is: 6,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.92 : 12,426.08 = 4,376.08 : x
  2. Step 2: Convert to fraction form
    8,268.92/12,426.08 = 4,376.08/x
  3. Step 3: Cross multiply
    8,268.92x = 12,426.08 × 4,376.08
  4. Step 4: Simplify right side
    8,268.92x = 54,377,520.17
  5. Step 5: Solve for x
    x = 54,377,520.17/8,268.92
  6. Step 6: Final answer
    x = 6,576.13

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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.