Home / 4,083.60-6,114.36-2,131.68

Finding the Fourth Proportional to 4,083.60, 6,114.36 and 2,131.68

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Solution

The fourth proportional to 4,083.60, 6,114.36 and 2,131.68 is: 3,191.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.60 : 6,114.36 = 2,131.68 : x
  2. Step 2: Convert to fraction form
    4,083.60/6,114.36 = 2,131.68/x
  3. Step 3: Cross multiply
    4,083.60x = 6,114.36 × 2,131.68
  4. Step 4: Simplify right side
    4,083.60x = 13,033,858.92
  5. Step 5: Solve for x
    x = 13,033,858.92/4,083.60
  6. Step 6: Final answer
    x = 3,191.76

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1.5x scale

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.