Home / 4,933.18-7,402.57-1,812.78

Finding the Fourth Proportional to 4,933.18, 7,402.57 and 1,812.78

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Solution

The fourth proportional to 4,933.18, 7,402.57 and 1,812.78 is: 2,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.18 : 7,402.57 = 1,812.78 : x
  2. Step 2: Convert to fraction form
    4,933.18/7,402.57 = 1,812.78/x
  3. Step 3: Cross multiply
    4,933.18x = 7,402.57 × 1,812.78
  4. Step 4: Simplify right side
    4,933.18x = 13,419,226.31
  5. Step 5: Solve for x
    x = 13,419,226.31/4,933.18
  6. Step 6: Final answer
    x = 2,720.20

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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.