Home / 4,344.76-6,517.81-1,422.39

Finding the Fourth Proportional to 4,344.76, 6,517.81 and 1,422.39

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Solution

The fourth proportional to 4,344.76, 6,517.81 and 1,422.39 is: 2,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,344.76 : 6,517.81 = 1,422.39 : x
  2. Step 2: Convert to fraction form
    4,344.76/6,517.81 = 1,422.39/x
  3. Step 3: Cross multiply
    4,344.76x = 6,517.81 × 1,422.39
  4. Step 4: Simplify right side
    4,344.76x = 9,270,867.77
  5. Step 5: Solve for x
    x = 9,270,867.77/4,344.76
  6. Step 6: Final answer
    x = 2,133.81

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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.