Home / 7,836.06-11,753.91-1,992.68

Finding the Fourth Proportional to 7,836.06, 11,753.91 and 1,992.68

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Solution

The fourth proportional to 7,836.06, 11,753.91 and 1,992.68 is: 2,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.06 : 11,753.91 = 1,992.68 : x
  2. Step 2: Convert to fraction form
    7,836.06/11,753.91 = 1,992.68/x
  3. Step 3: Cross multiply
    7,836.06x = 11,753.91 × 1,992.68
  4. Step 4: Simplify right side
    7,836.06x = 23,421,722.61
  5. Step 5: Solve for x
    x = 23,421,722.61/7,836.06
  6. Step 6: Final answer
    x = 2,988.97

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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.