Home / 4,394.13-6,591.86-1,431.61

Finding the Fourth Proportional to 4,394.13, 6,591.86 and 1,431.61

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Solution

The fourth proportional to 4,394.13, 6,591.86 and 1,431.61 is: 2,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.13 : 6,591.86 = 1,431.61 : x
  2. Step 2: Convert to fraction form
    4,394.13/6,591.86 = 1,431.61/x
  3. Step 3: Cross multiply
    4,394.13x = 6,591.86 × 1,431.61
  4. Step 4: Simplify right side
    4,394.13x = 9,436,972.69
  5. Step 5: Solve for x
    x = 9,436,972.69/4,394.13
  6. Step 6: Final answer
    x = 2,147.63

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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.