Home / 5,676.12-8,518.32-2,905.11

Finding the Fourth Proportional to 5,676.12, 8,518.32 and 2,905.11

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Solution

The fourth proportional to 5,676.12, 8,518.32 and 2,905.11 is: 4,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.12 : 8,518.32 = 2,905.11 : x
  2. Step 2: Convert to fraction form
    5,676.12/8,518.32 = 2,905.11/x
  3. Step 3: Cross multiply
    5,676.12x = 8,518.32 × 2,905.11
  4. Step 4: Simplify right side
    5,676.12x = 24,746,656.62
  5. Step 5: Solve for x
    x = 24,746,656.62/5,676.12
  6. Step 6: Final answer
    x = 4,359.78

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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.