Home / 6,979.11-10,454.51-3,225.55

Finding the Fourth Proportional to 6,979.11, 10,454.51 and 3,225.55

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Solution

The fourth proportional to 6,979.11, 10,454.51 and 3,225.55 is: 4,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.11 : 10,454.51 = 3,225.55 : x
  2. Step 2: Convert to fraction form
    6,979.11/10,454.51 = 3,225.55/x
  3. Step 3: Cross multiply
    6,979.11x = 10,454.51 × 3,225.55
  4. Step 4: Simplify right side
    6,979.11x = 33,721,544.73
  5. Step 5: Solve for x
    x = 33,721,544.73/6,979.11
  6. Step 6: Final answer
    x = 4,831.78

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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.