Home / 5,388.62-7,435.44-3,400.26

Finding the Fourth Proportional to 5,388.62, 7,435.44 and 3,400.26

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Solution

The fourth proportional to 5,388.62, 7,435.44 and 3,400.26 is: 4,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.62 : 7,435.44 = 3,400.26 : x
  2. Step 2: Convert to fraction form
    5,388.62/7,435.44 = 3,400.26/x
  3. Step 3: Cross multiply
    5,388.62x = 7,435.44 × 3,400.26
  4. Step 4: Simplify right side
    5,388.62x = 25,282,429.21
  5. Step 5: Solve for x
    x = 25,282,429.21/5,388.62
  6. Step 6: Final answer
    x = 4,691.82

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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.