Home / 4,109.64-6,166.68-1,917.84

Finding the Fourth Proportional to 4,109.64, 6,166.68 and 1,917.84

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Solution

The fourth proportional to 4,109.64, 6,166.68 and 1,917.84 is: 2,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.64 : 6,166.68 = 1,917.84 : x
  2. Step 2: Convert to fraction form
    4,109.64/6,166.68 = 1,917.84/x
  3. Step 3: Cross multiply
    4,109.64x = 6,166.68 × 1,917.84
  4. Step 4: Simplify right side
    4,109.64x = 11,826,705.57
  5. Step 5: Solve for x
    x = 11,826,705.57/4,109.64
  6. Step 6: Final answer
    x = 2,877.80

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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.