Home / 5,890-8,832.30-2,191.36

Finding the Fourth Proportional to 5,890, 8,832.30 and 2,191.36

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Solution

The fourth proportional to 5,890, 8,832.30 and 2,191.36 is: 3,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890 : 8,832.30 = 2,191.36 : x
  2. Step 2: Convert to fraction form
    5,890/8,832.30 = 2,191.36/x
  3. Step 3: Cross multiply
    5,890x = 8,832.30 × 2,191.36
  4. Step 4: Simplify right side
    5,890x = 19,354,748.93
  5. Step 5: Solve for x
    x = 19,354,748.93/5,890
  6. Step 6: Final answer
    x = 3,286.04

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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.