Home / 5,276.31-7,917.22-3,827.43

Finding the Fourth Proportional to 5,276.31, 7,917.22 and 3,827.43

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Solution

The fourth proportional to 5,276.31, 7,917.22 and 3,827.43 is: 5,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.31 : 7,917.22 = 3,827.43 : x
  2. Step 2: Convert to fraction form
    5,276.31/7,917.22 = 3,827.43/x
  3. Step 3: Cross multiply
    5,276.31x = 7,917.22 × 3,827.43
  4. Step 4: Simplify right side
    5,276.31x = 30,302,565.76
  5. Step 5: Solve for x
    x = 30,302,565.76/5,276.31
  6. Step 6: Final answer
    x = 5,743.14

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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.