Home / 5,496.24-7,584.84-3,138.60

Finding the Fourth Proportional to 5,496.24, 7,584.84 and 3,138.60

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Solution

The fourth proportional to 5,496.24, 7,584.84 and 3,138.60 is: 4,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.24 : 7,584.84 = 3,138.60 : x
  2. Step 2: Convert to fraction form
    5,496.24/7,584.84 = 3,138.60/x
  3. Step 3: Cross multiply
    5,496.24x = 7,584.84 × 3,138.60
  4. Step 4: Simplify right side
    5,496.24x = 23,805,778.82
  5. Step 5: Solve for x
    x = 23,805,778.82/5,496.24
  6. Step 6: Final answer
    x = 4,331.28

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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.