Home / 4,268.12-6,401.64-1,672.88

Finding the Fourth Proportional to 4,268.12, 6,401.64 and 1,672.88

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Solution

The fourth proportional to 4,268.12, 6,401.64 and 1,672.88 is: 2,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.12 : 6,401.64 = 1,672.88 : x
  2. Step 2: Convert to fraction form
    4,268.12/6,401.64 = 1,672.88/x
  3. Step 3: Cross multiply
    4,268.12x = 6,401.64 × 1,672.88
  4. Step 4: Simplify right side
    4,268.12x = 10,709,175.52
  5. Step 5: Solve for x
    x = 10,709,175.52/4,268.12
  6. Step 6: Final answer
    x = 2,509.11

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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.