Home / 4,914.09-7,372.40-1,628.10

Finding the Fourth Proportional to 4,914.09, 7,372.40 and 1,628.10

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Solution

The fourth proportional to 4,914.09, 7,372.40 and 1,628.10 is: 2,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.09 : 7,372.40 = 1,628.10 : x
  2. Step 2: Convert to fraction form
    4,914.09/7,372.40 = 1,628.10/x
  3. Step 3: Cross multiply
    4,914.09x = 7,372.40 × 1,628.10
  4. Step 4: Simplify right side
    4,914.09x = 12,002,996.30
  5. Step 5: Solve for x
    x = 12,002,996.30/4,914.09
  6. Step 6: Final answer
    x = 2,442.57

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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.