Home / 7,120.73-10,679.88-2,735.93

Finding the Fourth Proportional to 7,120.73, 10,679.88 and 2,735.93

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Solution

The fourth proportional to 7,120.73, 10,679.88 and 2,735.93 is: 4,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.73 : 10,679.88 = 2,735.93 : x
  2. Step 2: Convert to fraction form
    7,120.73/10,679.88 = 2,735.93/x
  3. Step 3: Cross multiply
    7,120.73x = 10,679.88 × 2,735.93
  4. Step 4: Simplify right side
    7,120.73x = 29,219,404.09
  5. Step 5: Solve for x
    x = 29,219,404.09/7,120.73
  6. Step 6: Final answer
    x = 4,103.43

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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.