Home / 4,268.76-6,399.90-3,543

Finding the Fourth Proportional to 4,268.76, 6,399.90 and 3,543

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Solution

The fourth proportional to 4,268.76, 6,399.90 and 3,543 is: 5,311.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.76 : 6,399.90 = 3,543 : x
  2. Step 2: Convert to fraction form
    4,268.76/6,399.90 = 3,543/x
  3. Step 3: Cross multiply
    4,268.76x = 6,399.90 × 3,543
  4. Step 4: Simplify right side
    4,268.76x = 22,674,845.70
  5. Step 5: Solve for x
    x = 22,674,845.70/4,268.76
  6. Step 6: Final answer
    x = 5,311.81

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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.