Home / 5,282.43-7,923.22-1,386.73

Finding the Fourth Proportional to 5,282.43, 7,923.22 and 1,386.73

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Solution

The fourth proportional to 5,282.43, 7,923.22 and 1,386.73 is: 2,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.43 : 7,923.22 = 1,386.73 : x
  2. Step 2: Convert to fraction form
    5,282.43/7,923.22 = 1,386.73/x
  3. Step 3: Cross multiply
    5,282.43x = 7,923.22 × 1,386.73
  4. Step 4: Simplify right side
    5,282.43x = 10,987,366.87
  5. Step 5: Solve for x
    x = 10,987,366.87/5,282.43
  6. Step 6: Final answer
    x = 2,079.98

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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.