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Finding the Fourth Proportional to 8,215.08, 12,323.16 and 2,951.16

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Solution

The fourth proportional to 8,215.08, 12,323.16 and 2,951.16 is: 4,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.08 : 12,323.16 = 2,951.16 : x
  2. Step 2: Convert to fraction form
    8,215.08/12,323.16 = 2,951.16/x
  3. Step 3: Cross multiply
    8,215.08x = 12,323.16 × 2,951.16
  4. Step 4: Simplify right side
    8,215.08x = 36,367,616.87
  5. Step 5: Solve for x
    x = 36,367,616.87/8,215.08
  6. Step 6: Final answer
    x = 4,426.93

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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.