Home / 4,109.22-6,153.93-2,129.94

Finding the Fourth Proportional to 4,109.22, 6,153.93 and 2,129.94

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Solution

The fourth proportional to 4,109.22, 6,153.93 and 2,129.94 is: 3,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.22 : 6,153.93 = 2,129.94 : x
  2. Step 2: Convert to fraction form
    4,109.22/6,153.93 = 2,129.94/x
  3. Step 3: Cross multiply
    4,109.22x = 6,153.93 × 2,129.94
  4. Step 4: Simplify right side
    4,109.22x = 13,107,501.66
  5. Step 5: Solve for x
    x = 13,107,501.66/4,109.22
  6. Step 6: Final answer
    x = 3,189.78

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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.