Home / 4,268.40-6,404.20-1,673.20

Finding the Fourth Proportional to 4,268.40, 6,404.20 and 1,673.20

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Solution

The fourth proportional to 4,268.40, 6,404.20 and 1,673.20 is: 2,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.40 : 6,404.20 = 1,673.20 : x
  2. Step 2: Convert to fraction form
    4,268.40/6,404.20 = 1,673.20/x
  3. Step 3: Cross multiply
    4,268.40x = 6,404.20 × 1,673.20
  4. Step 4: Simplify right side
    4,268.40x = 10,715,507.44
  5. Step 5: Solve for x
    x = 10,715,507.44/4,268.40
  6. Step 6: Final answer
    x = 2,510.43

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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.