Home / 4,926.39-6,800.45-3,979.89

Finding the Fourth Proportional to 4,926.39, 6,800.45 and 3,979.89

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Solution

The fourth proportional to 4,926.39, 6,800.45 and 3,979.89 is: 5,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.39 : 6,800.45 = 3,979.89 : x
  2. Step 2: Convert to fraction form
    4,926.39/6,800.45 = 3,979.89/x
  3. Step 3: Cross multiply
    4,926.39x = 6,800.45 × 3,979.89
  4. Step 4: Simplify right side
    4,926.39x = 27,065,023.05
  5. Step 5: Solve for x
    x = 27,065,023.05/4,926.39
  6. Step 6: Final answer
    x = 5,493.89

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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.