Home / 4,912.12-7,353.69-3,243.18

Finding the Fourth Proportional to 4,912.12, 7,353.69 and 3,243.18

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Solution

The fourth proportional to 4,912.12, 7,353.69 and 3,243.18 is: 4,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.12 : 7,353.69 = 3,243.18 : x
  2. Step 2: Convert to fraction form
    4,912.12/7,353.69 = 3,243.18/x
  3. Step 3: Cross multiply
    4,912.12x = 7,353.69 × 3,243.18
  4. Step 4: Simplify right side
    4,912.12x = 23,849,341.75
  5. Step 5: Solve for x
    x = 23,849,341.75/4,912.12
  6. Step 6: Final answer
    x = 4,855.21

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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.