Home / 5,056.09-6,979.97-3,168.79

Finding the Fourth Proportional to 5,056.09, 6,979.97 and 3,168.79

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Solution

The fourth proportional to 5,056.09, 6,979.97 and 3,168.79 is: 4,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,056.09 : 6,979.97 = 3,168.79 : x
  2. Step 2: Convert to fraction form
    5,056.09/6,979.97 = 3,168.79/x
  3. Step 3: Cross multiply
    5,056.09x = 6,979.97 × 3,168.79
  4. Step 4: Simplify right side
    5,056.09x = 22,118,049.61
  5. Step 5: Solve for x
    x = 22,118,049.61/5,056.09
  6. Step 6: Final answer
    x = 4,374.54

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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.