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Finding the Fourth Proportional to 3,992.93, 6,002.91 and 3,218.37

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Solution

The fourth proportional to 3,992.93, 6,002.91 and 3,218.37 is: 4,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.93 : 6,002.91 = 3,218.37 : x
  2. Step 2: Convert to fraction form
    3,992.93/6,002.91 = 3,218.37/x
  3. Step 3: Cross multiply
    3,992.93x = 6,002.91 × 3,218.37
  4. Step 4: Simplify right side
    3,992.93x = 19,319,585.46
  5. Step 5: Solve for x
    x = 19,319,585.46/3,992.93
  6. Step 6: Final answer
    x = 4,838.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.