Home / 4,754.40-7,122.37-3,105.95

Finding the Fourth Proportional to 4,754.40, 7,122.37 and 3,105.95

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Solution

The fourth proportional to 4,754.40, 7,122.37 and 3,105.95 is: 4,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.40 : 7,122.37 = 3,105.95 : x
  2. Step 2: Convert to fraction form
    4,754.40/7,122.37 = 3,105.95/x
  3. Step 3: Cross multiply
    4,754.40x = 7,122.37 × 3,105.95
  4. Step 4: Simplify right side
    4,754.40x = 22,121,725.10
  5. Step 5: Solve for x
    x = 22,121,725.10/4,754.40
  6. Step 6: Final answer
    x = 4,652.90

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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.