Home / 6,627.28-9,145.76-3,643.24

Finding the Fourth Proportional to 6,627.28, 9,145.76 and 3,643.24

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Solution

The fourth proportional to 6,627.28, 9,145.76 and 3,643.24 is: 5,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.28 : 9,145.76 = 3,643.24 : x
  2. Step 2: Convert to fraction form
    6,627.28/9,145.76 = 3,643.24/x
  3. Step 3: Cross multiply
    6,627.28x = 9,145.76 × 3,643.24
  4. Step 4: Simplify right side
    6,627.28x = 33,320,198.66
  5. Step 5: Solve for x
    x = 33,320,198.66/6,627.28
  6. Step 6: Final answer
    x = 5,027.73

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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.