Home / 5,201.92-7,178.40-2,963.86

Finding the Fourth Proportional to 5,201.92, 7,178.40 and 2,963.86

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Solution

The fourth proportional to 5,201.92, 7,178.40 and 2,963.86 is: 4,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.92 : 7,178.40 = 2,963.86 : x
  2. Step 2: Convert to fraction form
    5,201.92/7,178.40 = 2,963.86/x
  3. Step 3: Cross multiply
    5,201.92x = 7,178.40 × 2,963.86
  4. Step 4: Simplify right side
    5,201.92x = 21,275,772.62
  5. Step 5: Solve for x
    x = 21,275,772.62/5,201.92
  6. Step 6: Final answer
    x = 4,089.98

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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.