Home / 5,311.88-7,330.30-2,953.97

Finding the Fourth Proportional to 5,311.88, 7,330.30 and 2,953.97

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Solution

The fourth proportional to 5,311.88, 7,330.30 and 2,953.97 is: 4,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.88 : 7,330.30 = 2,953.97 : x
  2. Step 2: Convert to fraction form
    5,311.88/7,330.30 = 2,953.97/x
  3. Step 3: Cross multiply
    5,311.88x = 7,330.30 × 2,953.97
  4. Step 4: Simplify right side
    5,311.88x = 21,653,469.74
  5. Step 5: Solve for x
    x = 21,653,469.74/5,311.88
  6. Step 6: Final answer
    x = 4,076.42

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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.