Home / 4,581.97-6,869.11-3,191.20

Finding the Fourth Proportional to 4,581.97, 6,869.11 and 3,191.20

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Solution

The fourth proportional to 4,581.97, 6,869.11 and 3,191.20 is: 4,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.97 : 6,869.11 = 3,191.20 : x
  2. Step 2: Convert to fraction form
    4,581.97/6,869.11 = 3,191.20/x
  3. Step 3: Cross multiply
    4,581.97x = 6,869.11 × 3,191.20
  4. Step 4: Simplify right side
    4,581.97x = 21,920,703.83
  5. Step 5: Solve for x
    x = 21,920,703.83/4,581.97
  6. Step 6: Final answer
    x = 4,784.12

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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.