Home / 5,618.88-7,749.66-3,629.64

Finding the Fourth Proportional to 5,618.88, 7,749.66 and 3,629.64

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Solution

The fourth proportional to 5,618.88, 7,749.66 and 3,629.64 is: 5,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.88 : 7,749.66 = 3,629.64 : x
  2. Step 2: Convert to fraction form
    5,618.88/7,749.66 = 3,629.64/x
  3. Step 3: Cross multiply
    5,618.88x = 7,749.66 × 3,629.64
  4. Step 4: Simplify right side
    5,618.88x = 28,128,475.92
  5. Step 5: Solve for x
    x = 28,128,475.92/5,618.88
  6. Step 6: Final answer
    x = 5,006.06

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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.