Home / 7,390.14-11,081.92-2,708.92

Finding the Fourth Proportional to 7,390.14, 11,081.92 and 2,708.92

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Solution

The fourth proportional to 7,390.14, 11,081.92 and 2,708.92 is: 4,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.14 : 11,081.92 = 2,708.92 : x
  2. Step 2: Convert to fraction form
    7,390.14/11,081.92 = 2,708.92/x
  3. Step 3: Cross multiply
    7,390.14x = 11,081.92 × 2,708.92
  4. Step 4: Simplify right side
    7,390.14x = 30,020,034.73
  5. Step 5: Solve for x
    x = 30,020,034.73/7,390.14
  6. Step 6: Final answer
    x = 4,062.17

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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.