Home / 5,201.38-7,178.31-2,963.35

Finding the Fourth Proportional to 5,201.38, 7,178.31 and 2,963.35

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Solution

The fourth proportional to 5,201.38, 7,178.31 and 2,963.35 is: 4,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.38 : 7,178.31 = 2,963.35 : x
  2. Step 2: Convert to fraction form
    5,201.38/7,178.31 = 2,963.35/x
  3. Step 3: Cross multiply
    5,201.38x = 7,178.31 × 2,963.35
  4. Step 4: Simplify right side
    5,201.38x = 21,271,844.94
  5. Step 5: Solve for x
    x = 21,271,844.94/5,201.38
  6. Step 6: Final answer
    x = 4,089.65

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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.