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Finding the Fourth Proportional to 6,262.08, 8,636.08 and 5,198.16

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Solution

The fourth proportional to 6,262.08, 8,636.08 and 5,198.16 is: 7,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.08 : 8,636.08 = 5,198.16 : x
  2. Step 2: Convert to fraction form
    6,262.08/8,636.08 = 5,198.16/x
  3. Step 3: Cross multiply
    6,262.08x = 8,636.08 × 5,198.16
  4. Step 4: Simplify right side
    6,262.08x = 44,891,725.61
  5. Step 5: Solve for x
    x = 44,891,725.61/6,262.08
  6. Step 6: Final answer
    x = 7,168.82

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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.