Home / 6,627.44-9,145.87-3,643.25

Finding the Fourth Proportional to 6,627.44, 9,145.87 and 3,643.25

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Solution

The fourth proportional to 6,627.44, 9,145.87 and 3,643.25 is: 5,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.44 : 9,145.87 = 3,643.25 : x
  2. Step 2: Convert to fraction form
    6,627.44/9,145.87 = 3,643.25/x
  3. Step 3: Cross multiply
    6,627.44x = 9,145.87 × 3,643.25
  4. Step 4: Simplify right side
    6,627.44x = 33,320,690.88
  5. Step 5: Solve for x
    x = 33,320,690.88/6,627.44
  6. Step 6: Final answer
    x = 5,027.69

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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.