Home / 8,181.34-11,289.94-4,999.96

Finding the Fourth Proportional to 8,181.34, 11,289.94 and 4,999.96

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Solution

The fourth proportional to 8,181.34, 11,289.94 and 4,999.96 is: 6,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.34 : 11,289.94 = 4,999.96 : x
  2. Step 2: Convert to fraction form
    8,181.34/11,289.94 = 4,999.96/x
  3. Step 3: Cross multiply
    8,181.34x = 11,289.94 × 4,999.96
  4. Step 4: Simplify right side
    8,181.34x = 56,449,166.95
  5. Step 5: Solve for x
    x = 56,449,166.95/8,181.34
  6. Step 6: Final answer
    x = 6,899.75

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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.