Home / 4,226.88-6,338.64-1,693.20

Finding the Fourth Proportional to 4,226.88, 6,338.64 and 1,693.20

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Solution

The fourth proportional to 4,226.88, 6,338.64 and 1,693.20 is: 2,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.88 : 6,338.64 = 1,693.20 : x
  2. Step 2: Convert to fraction form
    4,226.88/6,338.64 = 1,693.20/x
  3. Step 3: Cross multiply
    4,226.88x = 6,338.64 × 1,693.20
  4. Step 4: Simplify right side
    4,226.88x = 10,732,585.25
  5. Step 5: Solve for x
    x = 10,732,585.25/4,226.88
  6. Step 6: Final answer
    x = 2,539.13

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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.