Home / 4,282.36-6,422.28-1,815.82

Finding the Fourth Proportional to 4,282.36, 6,422.28 and 1,815.82

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Solution

The fourth proportional to 4,282.36, 6,422.28 and 1,815.82 is: 2,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.36 : 6,422.28 = 1,815.82 : x
  2. Step 2: Convert to fraction form
    4,282.36/6,422.28 = 1,815.82/x
  3. Step 3: Cross multiply
    4,282.36x = 6,422.28 × 1,815.82
  4. Step 4: Simplify right side
    4,282.36x = 11,661,704.47
  5. Step 5: Solve for x
    x = 11,661,704.47/4,282.36
  6. Step 6: Final answer
    x = 2,723.20

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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.