Home / 7,439.54-11,148-5,091.26

Finding the Fourth Proportional to 7,439.54, 11,148 and 5,091.26

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Solution

The fourth proportional to 7,439.54, 11,148 and 5,091.26 is: 7,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.54 : 11,148 = 5,091.26 : x
  2. Step 2: Convert to fraction form
    7,439.54/11,148 = 5,091.26/x
  3. Step 3: Cross multiply
    7,439.54x = 11,148 × 5,091.26
  4. Step 4: Simplify right side
    7,439.54x = 56,757,366.48
  5. Step 5: Solve for x
    x = 56,757,366.48/7,439.54
  6. Step 6: Final answer
    x = 7,629.15

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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.