Home / 7,425.22-11,138.58-2,746.46

Finding the Fourth Proportional to 7,425.22, 11,138.58 and 2,746.46

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Solution

The fourth proportional to 7,425.22, 11,138.58 and 2,746.46 is: 4,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.22 : 11,138.58 = 2,746.46 : x
  2. Step 2: Convert to fraction form
    7,425.22/11,138.58 = 2,746.46/x
  3. Step 3: Cross multiply
    7,425.22x = 11,138.58 × 2,746.46
  4. Step 4: Simplify right side
    7,425.22x = 30,591,664.43
  5. Step 5: Solve for x
    x = 30,591,664.43/7,425.22
  6. Step 6: Final answer
    x = 4,119.97

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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.