Home / 4,788-7,184.43-2,191.59

Finding the Fourth Proportional to 4,788, 7,184.43 and 2,191.59

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Solution

The fourth proportional to 4,788, 7,184.43 and 2,191.59 is: 3,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788 : 7,184.43 = 2,191.59 : x
  2. Step 2: Convert to fraction form
    4,788/7,184.43 = 2,191.59/x
  3. Step 3: Cross multiply
    4,788x = 7,184.43 × 2,191.59
  4. Step 4: Simplify right side
    4,788x = 15,745,324.94
  5. Step 5: Solve for x
    x = 15,745,324.94/4,788
  6. Step 6: Final answer
    x = 3,288.50

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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.