Home / 5,721.39-8,580.65-1,823.79

Finding the Fourth Proportional to 5,721.39, 8,580.65 and 1,823.79

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Solution

The fourth proportional to 5,721.39, 8,580.65 and 1,823.79 is: 2,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.39 : 8,580.65 = 1,823.79 : x
  2. Step 2: Convert to fraction form
    5,721.39/8,580.65 = 1,823.79/x
  3. Step 3: Cross multiply
    5,721.39x = 8,580.65 × 1,823.79
  4. Step 4: Simplify right side
    5,721.39x = 15,649,294.54
  5. Step 5: Solve for x
    x = 15,649,294.54/5,721.39
  6. Step 6: Final answer
    x = 2,735.23

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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.