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Finding the Fourth Proportional to 8,305.95, 12,458.93 and 6,841.47

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Solution

The fourth proportional to 8,305.95, 12,458.93 and 6,841.47 is: 10,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.95 : 12,458.93 = 6,841.47 : x
  2. Step 2: Convert to fraction form
    8,305.95/12,458.93 = 6,841.47/x
  3. Step 3: Cross multiply
    8,305.95x = 12,458.93 × 6,841.47
  4. Step 4: Simplify right side
    8,305.95x = 85,237,361.62
  5. Step 5: Solve for x
    x = 85,237,361.62/8,305.95
  6. Step 6: Final answer
    x = 10,262.21

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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.