Home / 5,827.86-8,042.13-3,309.90

Finding the Fourth Proportional to 5,827.86, 8,042.13 and 3,309.90

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Solution

The fourth proportional to 5,827.86, 8,042.13 and 3,309.90 is: 4,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.86 : 8,042.13 = 3,309.90 : x
  2. Step 2: Convert to fraction form
    5,827.86/8,042.13 = 3,309.90/x
  3. Step 3: Cross multiply
    5,827.86x = 8,042.13 × 3,309.90
  4. Step 4: Simplify right side
    5,827.86x = 26,618,646.09
  5. Step 5: Solve for x
    x = 26,618,646.09/5,827.86
  6. Step 6: Final answer
    x = 4,567.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.