Home / 5,453.24-7,516.49-3,857.85

Finding the Fourth Proportional to 5,453.24, 7,516.49 and 3,857.85

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Solution

The fourth proportional to 5,453.24, 7,516.49 and 3,857.85 is: 5,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.24 : 7,516.49 = 3,857.85 : x
  2. Step 2: Convert to fraction form
    5,453.24/7,516.49 = 3,857.85/x
  3. Step 3: Cross multiply
    5,453.24x = 7,516.49 × 3,857.85
  4. Step 4: Simplify right side
    5,453.24x = 28,997,471.66
  5. Step 5: Solve for x
    x = 28,997,471.66/5,453.24
  6. Step 6: Final answer
    x = 5,317.48

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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.