Home / 7,591.48-11,380.38-3,640.36

Finding the Fourth Proportional to 7,591.48, 11,380.38 and 3,640.36

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Solution

The fourth proportional to 7,591.48, 11,380.38 and 3,640.36 is: 5,457.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.48 : 11,380.38 = 3,640.36 : x
  2. Step 2: Convert to fraction form
    7,591.48/11,380.38 = 3,640.36/x
  3. Step 3: Cross multiply
    7,591.48x = 11,380.38 × 3,640.36
  4. Step 4: Simplify right side
    7,591.48x = 41,428,680.14
  5. Step 5: Solve for x
    x = 41,428,680.14/7,591.48
  6. Step 6: Final answer
    x = 5,457.26

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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.