Home / 10,040.87-13,857.01-5,791.86

Finding the Fourth Proportional to 10,040.87, 13,857.01 and 5,791.86

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Solution

The fourth proportional to 10,040.87, 13,857.01 and 5,791.86 is: 7,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.87 : 13,857.01 = 5,791.86 : x
  2. Step 2: Convert to fraction form
    10,040.87/13,857.01 = 5,791.86/x
  3. Step 3: Cross multiply
    10,040.87x = 13,857.01 × 5,791.86
  4. Step 4: Simplify right side
    10,040.87x = 80,257,861.94
  5. Step 5: Solve for x
    x = 80,257,861.94/10,040.87
  6. Step 6: Final answer
    x = 7,993.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.