Home / 3,709.35-5,563.13-1,243.53

Finding the Fourth Proportional to 3,709.35, 5,563.13 and 1,243.53

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Solution

The fourth proportional to 3,709.35, 5,563.13 and 1,243.53 is: 1,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.35 : 5,563.13 = 1,243.53 : x
  2. Step 2: Convert to fraction form
    3,709.35/5,563.13 = 1,243.53/x
  3. Step 3: Cross multiply
    3,709.35x = 5,563.13 × 1,243.53
  4. Step 4: Simplify right side
    3,709.35x = 6,917,912.83
  5. Step 5: Solve for x
    x = 6,917,912.83/3,709.35
  6. Step 6: Final answer
    x = 1,864.99

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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.