Home / 4,964.20-7,446.04-2,190.12

Finding the Fourth Proportional to 4,964.20, 7,446.04 and 2,190.12

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Solution

The fourth proportional to 4,964.20, 7,446.04 and 2,190.12 is: 3,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.20 : 7,446.04 = 2,190.12 : x
  2. Step 2: Convert to fraction form
    4,964.20/7,446.04 = 2,190.12/x
  3. Step 3: Cross multiply
    4,964.20x = 7,446.04 × 2,190.12
  4. Step 4: Simplify right side
    4,964.20x = 16,307,721.12
  5. Step 5: Solve for x
    x = 16,307,721.12/4,964.20
  6. Step 6: Final answer
    x = 3,285.07

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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.