Home / 4,917.39-6,780.78-3,656.41

Finding the Fourth Proportional to 4,917.39, 6,780.78 and 3,656.41

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Solution

The fourth proportional to 4,917.39, 6,780.78 and 3,656.41 is: 5,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.39 : 6,780.78 = 3,656.41 : x
  2. Step 2: Convert to fraction form
    4,917.39/6,780.78 = 3,656.41/x
  3. Step 3: Cross multiply
    4,917.39x = 6,780.78 × 3,656.41
  4. Step 4: Simplify right side
    4,917.39x = 24,793,311.80
  5. Step 5: Solve for x
    x = 24,793,311.80/4,917.39
  6. Step 6: Final answer
    x = 5,041.97

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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.