Home / 7,491.88-11,238.32-3,791.52

Finding the Fourth Proportional to 7,491.88, 11,238.32 and 3,791.52

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Solution

The fourth proportional to 7,491.88, 11,238.32 and 3,791.52 is: 5,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.88 : 11,238.32 = 3,791.52 : x
  2. Step 2: Convert to fraction form
    7,491.88/11,238.32 = 3,791.52/x
  3. Step 3: Cross multiply
    7,491.88x = 11,238.32 × 3,791.52
  4. Step 4: Simplify right side
    7,491.88x = 42,610,315.05
  5. Step 5: Solve for x
    x = 42,610,315.05/7,491.88
  6. Step 6: Final answer
    x = 5,687.53

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1.5x scale

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.