Home / 4,177.72-6,258.08-1,979.79

Finding the Fourth Proportional to 4,177.72, 6,258.08 and 1,979.79

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Solution

The fourth proportional to 4,177.72, 6,258.08 and 1,979.79 is: 2,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.72 : 6,258.08 = 1,979.79 : x
  2. Step 2: Convert to fraction form
    4,177.72/6,258.08 = 1,979.79/x
  3. Step 3: Cross multiply
    4,177.72x = 6,258.08 × 1,979.79
  4. Step 4: Simplify right side
    4,177.72x = 12,389,684.20
  5. Step 5: Solve for x
    x = 12,389,684.20/4,177.72
  6. Step 6: Final answer
    x = 2,965.66

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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.