Home / 10,503.75-15,758.33-3,930.02

Finding the Fourth Proportional to 10,503.75, 15,758.33 and 3,930.02

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Solution

The fourth proportional to 10,503.75, 15,758.33 and 3,930.02 is: 5,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.75 : 15,758.33 = 3,930.02 : x
  2. Step 2: Convert to fraction form
    10,503.75/15,758.33 = 3,930.02/x
  3. Step 3: Cross multiply
    10,503.75x = 15,758.33 × 3,930.02
  4. Step 4: Simplify right side
    10,503.75x = 61,930,453.62
  5. Step 5: Solve for x
    x = 61,930,453.62/10,503.75
  6. Step 6: Final answer
    x = 5,896.03

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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.