Home / 8,493.72-12,739.34-2,254.11

Finding the Fourth Proportional to 8,493.72, 12,739.34 and 2,254.11

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Solution

The fourth proportional to 8,493.72, 12,739.34 and 2,254.11 is: 3,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.72 : 12,739.34 = 2,254.11 : x
  2. Step 2: Convert to fraction form
    8,493.72/12,739.34 = 2,254.11/x
  3. Step 3: Cross multiply
    8,493.72x = 12,739.34 × 2,254.11
  4. Step 4: Simplify right side
    8,493.72x = 28,715,879.32
  5. Step 5: Solve for x
    x = 28,715,879.32/8,493.72
  6. Step 6: Final answer
    x = 3,380.84

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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.