Home / 10,320.25-15,471.09-3,741.82

Finding the Fourth Proportional to 10,320.25, 15,471.09 and 3,741.82

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Solution

The fourth proportional to 10,320.25, 15,471.09 and 3,741.82 is: 5,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.25 : 15,471.09 = 3,741.82 : x
  2. Step 2: Convert to fraction form
    10,320.25/15,471.09 = 3,741.82/x
  3. Step 3: Cross multiply
    10,320.25x = 15,471.09 × 3,741.82
  4. Step 4: Simplify right side
    10,320.25x = 57,890,033.56
  5. Step 5: Solve for x
    x = 57,890,033.56/10,320.25
  6. Step 6: Final answer
    x = 5,609.36

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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.