Home / 4,951.27-7,425.69-2,178.64

Finding the Fourth Proportional to 4,951.27, 7,425.69 and 2,178.64

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Solution

The fourth proportional to 4,951.27, 7,425.69 and 2,178.64 is: 3,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.27 : 7,425.69 = 2,178.64 : x
  2. Step 2: Convert to fraction form
    4,951.27/7,425.69 = 2,178.64/x
  3. Step 3: Cross multiply
    4,951.27x = 7,425.69 × 2,178.64
  4. Step 4: Simplify right side
    4,951.27x = 16,177,905.26
  5. Step 5: Solve for x
    x = 16,177,905.26/4,951.27
  6. Step 6: Final answer
    x = 3,267.43

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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.