Home / 5,054.06-6,979-3,168.88

Finding the Fourth Proportional to 5,054.06, 6,979 and 3,168.88

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Solution

The fourth proportional to 5,054.06, 6,979 and 3,168.88 is: 4,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.06 : 6,979 = 3,168.88 : x
  2. Step 2: Convert to fraction form
    5,054.06/6,979 = 3,168.88/x
  3. Step 3: Cross multiply
    5,054.06x = 6,979 × 3,168.88
  4. Step 4: Simplify right side
    5,054.06x = 22,115,613.52
  5. Step 5: Solve for x
    x = 22,115,613.52/5,054.06
  6. Step 6: Final answer
    x = 4,375.81

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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.