Home / 5,151.64-7,727.43-1,453.85

Finding the Fourth Proportional to 5,151.64, 7,727.43 and 1,453.85

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Solution

The fourth proportional to 5,151.64, 7,727.43 and 1,453.85 is: 2,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.64 : 7,727.43 = 1,453.85 : x
  2. Step 2: Convert to fraction form
    5,151.64/7,727.43 = 1,453.85/x
  3. Step 3: Cross multiply
    5,151.64x = 7,727.43 × 1,453.85
  4. Step 4: Simplify right side
    5,151.64x = 11,234,536.68
  5. Step 5: Solve for x
    x = 11,234,536.68/5,151.64
  6. Step 6: Final answer
    x = 2,180.77

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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.