Home / 8,481.60-12,712.68-4,577.82

Finding the Fourth Proportional to 8,481.60, 12,712.68 and 4,577.82

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Solution

The fourth proportional to 8,481.60, 12,712.68 and 4,577.82 is: 6,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.60 : 12,712.68 = 4,577.82 : x
  2. Step 2: Convert to fraction form
    8,481.60/12,712.68 = 4,577.82/x
  3. Step 3: Cross multiply
    8,481.60x = 12,712.68 × 4,577.82
  4. Step 4: Simplify right side
    8,481.60x = 58,196,360.76
  5. Step 5: Solve for x
    x = 58,196,360.76/8,481.60
  6. Step 6: Final answer
    x = 6,861.48

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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.