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Finding the Fourth Proportional to 8,720.82, 12,014.39 and 6,063.62

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Solution

The fourth proportional to 8,720.82, 12,014.39 and 6,063.62 is: 8,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.82 : 12,014.39 = 6,063.62 : x
  2. Step 2: Convert to fraction form
    8,720.82/12,014.39 = 6,063.62/x
  3. Step 3: Cross multiply
    8,720.82x = 12,014.39 × 6,063.62
  4. Step 4: Simplify right side
    8,720.82x = 72,850,650.58
  5. Step 5: Solve for x
    x = 72,850,650.58/8,720.82
  6. Step 6: Final answer
    x = 8,353.65

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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.