Home / 3,960.63-5,468.58-3,018.06

Finding the Fourth Proportional to 3,960.63, 5,468.58 and 3,018.06

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Solution

The fourth proportional to 3,960.63, 5,468.58 and 3,018.06 is: 4,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.63 : 5,468.58 = 3,018.06 : x
  2. Step 2: Convert to fraction form
    3,960.63/5,468.58 = 3,018.06/x
  3. Step 3: Cross multiply
    3,960.63x = 5,468.58 × 3,018.06
  4. Step 4: Simplify right side
    3,960.63x = 16,504,502.55
  5. Step 5: Solve for x
    x = 16,504,502.55/3,960.63
  6. Step 6: Final answer
    x = 4,167.14

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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.