Home / 4,102.09-5,658.73-3,105.64

Finding the Fourth Proportional to 4,102.09, 5,658.73 and 3,105.64

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Solution

The fourth proportional to 4,102.09, 5,658.73 and 3,105.64 is: 4,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.09 : 5,658.73 = 3,105.64 : x
  2. Step 2: Convert to fraction form
    4,102.09/5,658.73 = 3,105.64/x
  3. Step 3: Cross multiply
    4,102.09x = 5,658.73 × 3,105.64
  4. Step 4: Simplify right side
    4,102.09x = 17,573,977.55
  5. Step 5: Solve for x
    x = 17,573,977.55/4,102.09
  6. Step 6: Final answer
    x = 4,284.15

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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.