Home / 3,992.06-5,506.62-3,151.46

Finding the Fourth Proportional to 3,992.06, 5,506.62 and 3,151.46

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Solution

The fourth proportional to 3,992.06, 5,506.62 and 3,151.46 is: 4,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.06 : 5,506.62 = 3,151.46 : x
  2. Step 2: Convert to fraction form
    3,992.06/5,506.62 = 3,151.46/x
  3. Step 3: Cross multiply
    3,992.06x = 5,506.62 × 3,151.46
  4. Step 4: Simplify right side
    3,992.06x = 17,353,892.67
  5. Step 5: Solve for x
    x = 17,353,892.67/3,992.06
  6. Step 6: Final answer
    x = 4,347.10

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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.