Home / 5,358.44-7,395.54-3,121.64

Finding the Fourth Proportional to 5,358.44, 7,395.54 and 3,121.64

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Solution

The fourth proportional to 5,358.44, 7,395.54 and 3,121.64 is: 4,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.44 : 7,395.54 = 3,121.64 : x
  2. Step 2: Convert to fraction form
    5,358.44/7,395.54 = 3,121.64/x
  3. Step 3: Cross multiply
    5,358.44x = 7,395.54 × 3,121.64
  4. Step 4: Simplify right side
    5,358.44x = 23,086,176.51
  5. Step 5: Solve for x
    x = 23,086,176.51/5,358.44
  6. Step 6: Final answer
    x = 4,308.38

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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.