Home / 4,755.11-7,134.35-2,122.37

Finding the Fourth Proportional to 4,755.11, 7,134.35 and 2,122.37

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Solution

The fourth proportional to 4,755.11, 7,134.35 and 2,122.37 is: 3,184.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.11 : 7,134.35 = 2,122.37 : x
  2. Step 2: Convert to fraction form
    4,755.11/7,134.35 = 2,122.37/x
  3. Step 3: Cross multiply
    4,755.11x = 7,134.35 × 2,122.37
  4. Step 4: Simplify right side
    4,755.11x = 15,141,730.41
  5. Step 5: Solve for x
    x = 15,141,730.41/4,755.11
  6. Step 6: Final answer
    x = 3,184.31

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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.