Home / 9,414.54-12,992.13-5,222.79

Finding the Fourth Proportional to 9,414.54, 12,992.13 and 5,222.79

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Solution

The fourth proportional to 9,414.54, 12,992.13 and 5,222.79 is: 7,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.54 : 12,992.13 = 5,222.79 : x
  2. Step 2: Convert to fraction form
    9,414.54/12,992.13 = 5,222.79/x
  3. Step 3: Cross multiply
    9,414.54x = 12,992.13 × 5,222.79
  4. Step 4: Simplify right side
    9,414.54x = 67,855,166.64
  5. Step 5: Solve for x
    x = 67,855,166.64/9,414.54
  6. Step 6: Final answer
    x = 7,207.49

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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.