Home / 5,550.75-7,656.41-3,558.15

Finding the Fourth Proportional to 5,550.75, 7,656.41 and 3,558.15

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Solution

The fourth proportional to 5,550.75, 7,656.41 and 3,558.15 is: 4,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.75 : 7,656.41 = 3,558.15 : x
  2. Step 2: Convert to fraction form
    5,550.75/7,656.41 = 3,558.15/x
  3. Step 3: Cross multiply
    5,550.75x = 7,656.41 × 3,558.15
  4. Step 4: Simplify right side
    5,550.75x = 27,242,664.14
  5. Step 5: Solve for x
    x = 27,242,664.14/5,550.75
  6. Step 6: Final answer
    x = 4,907.92

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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.