Home / 7,958.16-11,937.30-2,760.39

Finding the Fourth Proportional to 7,958.16, 11,937.30 and 2,760.39

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Solution

The fourth proportional to 7,958.16, 11,937.30 and 2,760.39 is: 4,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.16 : 11,937.30 = 2,760.39 : x
  2. Step 2: Convert to fraction form
    7,958.16/11,937.30 = 2,760.39/x
  3. Step 3: Cross multiply
    7,958.16x = 11,937.30 × 2,760.39
  4. Step 4: Simplify right side
    7,958.16x = 32,951,603.55
  5. Step 5: Solve for x
    x = 32,951,603.55/7,958.16
  6. Step 6: Final answer
    x = 4,140.61

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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.