Home / 5,721.71-8,582.88-1,825.82

Finding the Fourth Proportional to 5,721.71, 8,582.88 and 1,825.82

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Solution

The fourth proportional to 5,721.71, 8,582.88 and 1,825.82 is: 2,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.71 : 8,582.88 = 1,825.82 : x
  2. Step 2: Convert to fraction form
    5,721.71/8,582.88 = 1,825.82/x
  3. Step 3: Cross multiply
    5,721.71x = 8,582.88 × 1,825.82
  4. Step 4: Simplify right side
    5,721.71x = 15,670,741.92
  5. Step 5: Solve for x
    x = 15,670,741.92/5,721.71
  6. Step 6: Final answer
    x = 2,738.82

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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.