Home / 4,942.77-7,415.71-2,171.77

Finding the Fourth Proportional to 4,942.77, 7,415.71 and 2,171.77

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Solution

The fourth proportional to 4,942.77, 7,415.71 and 2,171.77 is: 3,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.77 : 7,415.71 = 2,171.77 : x
  2. Step 2: Convert to fraction form
    4,942.77/7,415.71 = 2,171.77/x
  3. Step 3: Cross multiply
    4,942.77x = 7,415.71 × 2,171.77
  4. Step 4: Simplify right side
    4,942.77x = 16,105,259.95
  5. Step 5: Solve for x
    x = 16,105,259.95/4,942.77
  6. Step 6: Final answer
    x = 3,258.35

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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.