Home / 4,262.79-6,394.49-1,489.15

Finding the Fourth Proportional to 4,262.79, 6,394.49 and 1,489.15

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Solution

The fourth proportional to 4,262.79, 6,394.49 and 1,489.15 is: 2,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.79 : 6,394.49 = 1,489.15 : x
  2. Step 2: Convert to fraction form
    4,262.79/6,394.49 = 1,489.15/x
  3. Step 3: Cross multiply
    4,262.79x = 6,394.49 × 1,489.15
  4. Step 4: Simplify right side
    4,262.79x = 9,522,315.37
  5. Step 5: Solve for x
    x = 9,522,315.37/4,262.79
  6. Step 6: Final answer
    x = 2,233.82

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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.