Home / 8,141.22-11,234.97-4,784.09

Finding the Fourth Proportional to 8,141.22, 11,234.97 and 4,784.09

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Solution

The fourth proportional to 8,141.22, 11,234.97 and 4,784.09 is: 6,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.22 : 11,234.97 = 4,784.09 : x
  2. Step 2: Convert to fraction form
    8,141.22/11,234.97 = 4,784.09/x
  3. Step 3: Cross multiply
    8,141.22x = 11,234.97 × 4,784.09
  4. Step 4: Simplify right side
    8,141.22x = 53,749,051.45
  5. Step 5: Solve for x
    x = 53,749,051.45/8,141.22
  6. Step 6: Final answer
    x = 6,602.09

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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.