Home / 5,743.26-8,615.88-2,821.86

Finding the Fourth Proportional to 5,743.26, 8,615.88 and 2,821.86

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Solution

The fourth proportional to 5,743.26, 8,615.88 and 2,821.86 is: 4,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.26 : 8,615.88 = 2,821.86 : x
  2. Step 2: Convert to fraction form
    5,743.26/8,615.88 = 2,821.86/x
  3. Step 3: Cross multiply
    5,743.26x = 8,615.88 × 2,821.86
  4. Step 4: Simplify right side
    5,743.26x = 24,312,807.14
  5. Step 5: Solve for x
    x = 24,312,807.14/5,743.26
  6. Step 6: Final answer
    x = 4,233.28

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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.