Home / 5,286.22-7,929.71-1,588.73

Finding the Fourth Proportional to 5,286.22, 7,929.71 and 1,588.73

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Solution

The fourth proportional to 5,286.22, 7,929.71 and 1,588.73 is: 2,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.22 : 7,929.71 = 1,588.73 : x
  2. Step 2: Convert to fraction form
    5,286.22/7,929.71 = 1,588.73/x
  3. Step 3: Cross multiply
    5,286.22x = 7,929.71 × 1,588.73
  4. Step 4: Simplify right side
    5,286.22x = 12,598,191.96
  5. Step 5: Solve for x
    x = 12,598,191.96/5,286.22
  6. Step 6: Final answer
    x = 2,383.21

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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.